BLM Fascists Harass Restaurant Patrons [Updated]

The Left has abandoned all norms of civilized conduct. Check out this video of a Black Lives Matter “activist” screaming at normal citizens through a bullhorn. It was filmed in Austin, Texas:

This sort of harassment is, or should be, criminal. Given the Left’s repudiation of all norms, can anything short of jail sentences restore a civilized society?

UPDATE: This was part of a failed attack on Austin by leftists.