You don't need to actually know someone to "encourage" them to do something. The Internet has made that exceedingly easy. But it could just be a lie, too.The only reason I believe Nimble Rich Man isn't him is this:
I doubt that Luckey's ever known Trump, been in contact with Trump, or would be in the position to give him advice of any kind.
But still, he's fallen far from where I thought of him before.