Not out of the realm of possibility, considering there are businesses now which are specifically for astro-turf protests. You pay a business a fee and they will hire actors to protest for/against whatever you wish.
"Crowds On Demand" is being accused of paying actors $25/hr for the Charlottesville protest. Snopes "interviewed" them to find out if it was true, and they denied they support hate groups. BUT, they did not deny protesting AGAINST hate groups.
http://www.charlottestories.com/crow...id-protesters/
Again, they deny being involved in Charlottesville, but there was this ad placed by Crowds on Demand: