Is it totally megalomaniacal when Elon Musk announces a (manned!) space mission to Mars for 2029, and should we therefore stop buying a Tesla?

I am not a psychiatrist but if someone thinks that science fiction is no longer science fiction but becomes reality through him then there is something wrong with that https://de.wikipedia.org/wiki/SpaceX#:~:text=A%20first%20manned%20Mars mission%20%E2%80%93%20initially, will%20now%20f%C3% BCr%202029%20 aimed for.&text=Launched%20will%20be%C3%A4chst%20from%20the%20company's own, suborbital%20test flight%20of%20the%20rocket%20instead. The first manned Mars mission—initially envisioned by Musk for 2024—is now targeted for 2029. The launch will…