So you hate most endgame content, sounds like you were going to quit anyways. In fact, you just sound sad in general.
Actually, those sagas have Heroic versions as well. Please list all quests you enjoy. I think the list will be shorter than the list of quests in the relevant sagas.
Some people think challenge and risk of failure is fun. Apparently, you think easy-mode is fun. Run the quests you do not enjoy on CASUAL. They made that difficulty just for people like you.
The people running them care: they run them because they are easy and mindless (see: grind). Quests with challenges force you to pay attention and not just faceroll the keyboard. You never know, once you actually TRY the quests a few times, you might like them. I HATED Crucible when I first tried it, now I am convinced it's one of the best quests in the game.