Sometimes
With an awesome collection like yourself I can see your point, video games should never feel like a chore, I can see if I am not enjoying a game and I can't save. Or if I want a game to end just to say I beat it. but other than that
you should be playing a video game for enjoyment in my opinion, I don't participate in the 52 game challenge because I don't want to play a game like I have to beat it, it's kinda like watching a full movie or show just to get it over, like if We're at the theater not because you want to be, but because someone insisted on us to watch that movie.
there is no pressure on back log, in fact 99% of the games I play these days have no ending.