If that's really Max, he can prove it on NOSTR by moving a thousand Bitcoin to an on chain address he posts on NOSTR in advance of the txn.
I'll believe it then.
nostr:nevent1qvzqqqqqqypzpc3xpfa0xwem5vq8gygug4ne8nh4354tg0zevk7mke2ljruh8xdvqqszlxzcwkz34aytk3rwl7jw2uqutt868gh78hnz0vdawj2z9s6mfjqwf0a4t
