It's only silly because you don't even try to understand where people are coming from. If not a troll, then I would say you're an egoist. Is that better? Or do you prefer troll?
Let me explain, your argument hinged on the assumption that people who "hides players" won't interact with people, ever. Which is just plain wrong. What if people like OP decided to socially interact with others after doing their MSQ/taking a break from it? Will you still say that they're not supposed to play MMO?
Besides, if you haven't noticed already, there are already people who play this game as single player game first and MMO second right now. The game itself support such players. MSQ is 100% single player focused. We have duty finder to minimize social interaction (no need to shout LFG like in old school mmorpg). And now we have Trust system. So yeah, sorry to say bud, but people playing this game as single player game is as valid as you.
And before you have the wrong idea, no I actually don't support turning this game into full-fledged single player game. But my concern is more related to MSQ difficulty or job/trial's design, not about people being able to decide when they want to socially interact. Or, god forbid, want to have full immersion when doing the beloved and critically acclaimed MSQ story.