*Declares man who inherited apartheid money from his father's emerald min in Zambia and whose company 'ghosted' African employees without severance pay or benefits:.
It means Musk has no idea what he's talking about but wants people to think he's investigating "deep mysteries of the universe". So he applied a negative/critical term sketch, a.k.a. sketchy, meaning "something's not quite right about ____" so he could offer nothing to the world as usual but run his mouth.