His Twitter handle is Cassandra and it’s really appropriate: he’s stuck between wanting to warn people and the backlash of being the party pooper to the all-time-high party.
Somewhat unrelated, but for anyone who thinks Burry got "lucky" once when he shorted subprime-mortgage bonds, I can recommend reading The Big Short. It's well written and a fascinating story that contains many details.
Snip-snap/snip-snap! Do you know the effect 4 account deletions has on a person?