None of this would be happening if American police weren't constantly abusing and killing LGBT Americans and people of color.
Many will try to talk around this fact but that's only because they want to avoid addressing the root of the problem -- systemic racism and police brutality.
Most of which is enabled by Republicans like Trump, McConnell, and Sessions -- and Republican representatives and voters -- who rolled back Demcratic police reforms that were enacted to address these issues directly.
Any real discussion of "rioting" should address first what provokes said reaction in the general public.