I'm not reading 5 pages of posts, so this is related to the topic, not you people's ramblings.
I don't think that they've started making games worse, but they've made them more accessible, and better programmed. Hence, glitches that made games impossible rarely exist anymore, and are patched. Take...Ghouls and Goblins for example. Not a good game, at all. But it's hard, so, by some people's standards, "better".
Remember arcades? I don't, I wasn't around. But the point is that video games were designed to suck as many quarters out of your pockets as they could, be best way to do that was to make the games hard. Nerds spited while keep throwing money at something (lol pay-per-month mmos...).
Some games have gone too far the other direction, so easy it's stupid, while others have made the games challenging, but beatable, and added content (DLC, recent, I know) and achievements for crazy psychotic 100% completionists that thrive on games like Ghouls and Goblins. Some games were "better", Megaman was mentioned I think, and those WERE great games, but it's not like they were the only one to do something like that. Being the first does matter, and so does marketing. Megaman is a simple concept, and it's a great game, but it wouldn't hold up in today's market.
Do you like storylines? The Megaman's I played, lacked them. Mario's storylines, awful. Really, how many times can that bitch get captured. My point is, gaming has changed from a sequence of combination of timed buttons to...whatever it is now.
I'm excluding RPGs from this because they have not changed much aside from graphical upgrades and slight changes to the menu based combat system.