He probably just thought they were break dancing. Some people are oblivious to the people around them, and really don’t care about the needs of others. If somebody has a visible disability, their solution is to lock them away from the public until they have enough consideration to drop dead. It’s all about them and their right not to see things they consider unpleasant. When they become disabled themselves, they always change their tune.
Just an imbecilic pompous cretin......have dealt with them all life long.