On Tuesday he was joining Twitter’s board, and now he’s not.

He infamously said in 2018 that he had “funding secured” to take Tesla private, but he had not — and the company remained publicly traded.

He’s repeatedly promised that Tesla’s “full self-driving” feature was about to roll out, but its cars remain only partially automated.

What they’re saying: “He’s building a say-anything-do-something-different brand identity,” Georgetown University business professor Peter Jaworski, an ethics expert, tells Axios. “In the long run, that’s almost always bad for the leader.”