Boogaloo Lives Matter?

The right-wing militias known as "Boogaloo Bois" or "Boogaloos" have in some cases *joined* the BLM protests against the police and Donald Trump. Yes, really! The first link goes to a tweet showing heavily armed Boogaloos at a Black Lives Matters protest in Richmond, Virginia. The other is an article about this particular militia movement. I admit that understand less and less of what is happening in America... 

Boogaloos join BLM protest

Militias evaluate beliefs, actions as president threatens soldiers in the streets