I read somewhere recently that "OK" is the most widely used expression accross langages. Not universal per se, but close enough.

You can't, but I'd try dissabling crossplay. That could reduce the number of players you'll find (and improve performance btw).

That being said, once you reach endgame you will find a lot of people on legion events, helltides and world bosses

Level 62 druid here.

1. Fuck the meta, play what you enjoy.
2. Druid can handle fine. I'm running a no shapeshift storm build and having a great time.