Sometimes these people running campaigns don't address all their social media content themselves.
He just wrote a whole post here about how he wants feedback, and now has ignored the actual questions asked both by myself and @ura-soul. And regarding whether or not he was aware of the threatening commentary, he was active on those posts. Thanks.
I am sure Trump answers all his FB post too, Brittney Spears, Tom Cruise, Senators, Governors, etc.