For the pronoun, I'll say SJW are overdoing it as usual (like adding letters, numbers and mathematical operators one after another to the LGBT acronym (as if it wasn't long enough already ;op)), but as a non english native I always pictured they as a plural pronoun so I'm always somehow middly anoyed when I have the reflex to ask myself "her/him and who else is he/her talking about ?" when I read "they" used as a pronoun for a single person...
For manga cafés, yes they exist in the west, maybe not in America but they are some in Europe (I visited a few of them in France, Belgium, Netherlands, Italy and Germany, so yeah they are manga café in the west).