We sent the open letter to Ashok Kumar, of course, and politely offered him space in Solidarity to reply. He responded:
"I’m not going to dignify your racist-in-chief’s meandering, stream of consciousness whataboutery with a reply especially in light of this: http://www.workersliberty.org/story/2018-03-17/friends-israel-groups-blocked-joining-anti-racist-demonstration".
No evidence. No reasoning. No argument. But that's the way with that school of thought.