From your own link:
riot
(a) As used in this chapter, the term “riot” means a public disturbance involving (1)
an act or acts of violence by one or more persons part of an assemblage of three or more persons, which act or acts shall constitute a clear and present danger of, or shall result in, damage or injury to the property of any other person or to the person of any other individual or (2)
a threat or threats of the commission of an act or acts of violence by one or more persons part of an assemblage of three or more persons having, individually or collectively, the ability of immediate execution of such threat or threats, where the performance of the threatened act or acts of violence would constitute a clear and present danger of, or would result in, damage or injury to the property of any other person or to the person of any other individual.
Source
18 USC § 2102(a)
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Where was he pushing violence? In the video where he specifically said that they need to be peaceful? That video?
Whoops! Maybe the word game bitch should have actually read the law.