Few anonymous Internet posters are breaking your windows, setting police cars on fire, throwing rocks, beating bystanders, looting, or raping. The self-styled anarchists (especially the so-called “Black Bloc”) aren’t interested in peaceful demonstrations — quite the opposite.
Yep, I would make like it more as a sentence enhancer to any wearing a mask and committing another crime. But certainly, wearing a mask and going to a riot is a sign of being up to no good.
Apparently many government agencies aren’t interested in lawful behaviors either...NSA, IRS, so on and so forth and they are, for the most part, covered by ‘masks of government transparency’.