I'll go ahead and skip addressing the weird meta-analysis, aside from recognizing it - and calling it weird. As far as taking exception with the language used to describe the rioting, well that is just more of the same - the desperation to control language has gone from mildly annoying to simply pitiful. It also makes the task of accurately describing the participants and their activities impossible, which you foreshadow...

> ...what do the air quotes mean?

Consider not only the stupidity of cramming so many people into a single label suffixed by the word "community", but the utility that such an exercise would offer - and to who's benefit. Do you feel a sense of community with the rest of the people who share some arbitrary set of qualities with you? The right handed, brown eyed, bowl cut community?