Please read before voting. I'll try to be short.
When you're checking out at a grocery store and they have checkout counters arranged like so..

Now let's say that you're in line C behind 2 people and there is 1 person checking out in line A. Once the person in line A finishes checking out is it okay if you just go on up to checkout A instead of C, or are the lines somehow combined and if you're in line C and A frees up the "correct" thing to do would be for the first person in checkout C to go up to checkout A?
Furthermore, if you were in checkout C and A freed up would it be considered cutting if you left checkout C to go up to A and check out when there are still people in front of you in line C?
(You don't need to read the rest of this to vote, it's just omake)
(Now in red and a huge font for the apparently blind...)
Explanation:The reason I'm asking this is because my mom was out shopping with her boyfriend and she says he always waits in line even when there's another register clearly open and it annoys her to no end and then she was in line with him yesterday and there were 2 people in front of them and a lady behind them, then the register (let's say they were at C, so register A) freed up. The lady behind them went on up to register A instead. He got super angry and started telling her "She just cut us!" and all this stuff... So she was like "No no, they're separate lines! That's that register's line and this is this one's. You go to whatever line you want. The lines aren't all joined, that'd be like a 'Please wait here' sign." So then she got him to calm down.
She was so amused by him thinking that she went and took a poll from various people she worked with and they all agreed with her, she was right. They're separate lines. Nobody had even heard of the crazy system her boyfriend thought they had.
Then today he went to the same store again, this time by himself, and a similar situation presented itself. So while at register C when A freed up he stood there and looked around waiting to see if anyone was going to go over there then when nobody did he went ahead and went on over to register A. Everything's fine, right?
Oh no... This guy starts screaming at him, enraged, "WHAT THE HELL'S YOUR PROBLEM?!" By the time he'd got turned around to even see the guy, the guy was right up in his face and he bumped his chest against his. So, my mom's boyfriend's kind of a hot head and he just went right off... "RIGHT NOW YOU'RE MY FUCKIN' PROBLEM!" He was a lot taller than the guy so he was looking down, and he knew the guy could feel the vibration from it. He can be scary...
So anyways, I don't remember what was said but the guy was saying that he cut and so he was like "Fuck you! No I didn't!" or something. They were screaming at one another back and forth then a security guy came up trying to calm them down, telling them both counters were open. They just needed to calm down and they could both get checked out, it would be fine.
So the guy goes to check out, and my mom's boyfriend checks out. The guy was shaking when he was sliding his card through the credit card thing, so he was probably pretty scared after he realized just how big and muscular and enraged my mom's boyfriend was and just how badly he could beat his ass into oblivion. lol, my mom's boyfriend said he was wearing some rubber shoes with holes in them like they wear in the summer... I dunno what they're called. They're like scandals or something. He said he could have hit that guy and he'd gone flying across half the store and right out of his little rubber slippers.
So they check out and the security guard tells my mom's boyfriend something like "You have a good day and have a happy Thanksgiving" or something, but he was still pretty pissed and the guy had said something about taking it outside. So he said something like "I'll be having a good day when I go outside and find that little shit!"
He was really considering going out there and beating the shit out of that guy for being such a fucking asshole but then he really got to thinking about it and he didn't really want to go to jail and he'd only went to the store for 2 things and it'd take hours to get out of jail and it'd just be really inconvenient. But he wanted to scare the shit out of the guy some more and fuck with him.
So when he went outside he looked all around - it was a big parking lot and pretty packed. So he finally saw where he was, way out there (the guy must have been scared shitless and walking pretty fast). So he yells out "Hey! HEY!!!" and he walks over to him and the guy said something like "What, you're not done yet?" and so he walks right up to him... "NO, I'M NOT DONE YET..." Then totally blindsides the guy with "Hey sorry man for getting you so riled up back in the store in there. Have a happy Thanksgiving" and shook his hand... omg... the guy's mind had to just be blown.
He told him he just went yesterday and got chewed out for not going to the other line then he went to the other line today and now this happened. There was just no way he could win.
So, what do you guys think? Are we right and people who live in that area are just really fucking weird or something, or are they right and our seemingly logical system is wrong?