That's a weird concept forgetting how to have fun.
A lot of video games are not designed to be fun, they are designed to be addictive. Keep grinding, searching for ultra-rare items. Keeping people playing so they pay into a subscription so the game makers have a constant revenue stream rather than big investment on one game with money coming in just from the copies sold, this is where DLC is starting to come in to be a nasty business so they can gain bigger microtransaction cash and DLC's start being developed along with the games that come out rather than releasing new content later on that they might not of had development time for before they had to ship the game which DLC was designed for.
Then there are games that are just meant to be competetive, I like those types of games part of the reason I got into gaming when I was younger was because it was one of the very few activities I could play with my older (and significantly bigger) brothers without getting into a scrap with them (that I had no chance of winning) and I could show them up at gaming. The culture of the players on competetive games is kinda rediculous being a jerk is something people think is the rule rather than the exception, so when you play these games you can't reasonably expect to have fun rather than someone just trying to be rude to you just for the sake of it.
Then I think there are games like Bethesda makes. Skyrim gets a lot of complaints because one pitfall is just by being an RPG, there are not many RPG titles out there. Even though there is a market for it, and a lot of the older players like something a little more.. let's call it 'spread sheety' which Skyrim along with the rest of the series has been moving away from. Some people just legitimately like that kind of stuff even though it sounds unappealing when its described.
Excellent post.
In terms of the OP, I think there's a lot of truth of what you're saying. I tend to feel something similar whenever I see terms like "the game is broken" or "the devs were lazy".
I'm a teacher, and in the last few years at my institution there's been quite a marked change in the way student's feed back to us about our courses (not just mine, I hasten to add) - they tend to be far less understanding about time constraints, the need to cater to a range of students, the fact that sometimes we can't do everything enjoyable and some graft is needed, and above all, sometimes mistakes can happen. Instead, there's very much a sense of "I wanted this, it didn't happen, therefore it's the worst thing ever."
Now, obviously teaching isn't the same as making computer games. But I think there is something about the manner of complaints that is more of a cultural thing. And the real problem is, this kind of complaint often obscures the more constructive and necessary criticisms that will make the next TES better.