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.
What does sketch means in this context? I am not a native English speaker
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.
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The way I read it, it means that it doesn’t seem real/factual.
Questionable/suspicious/false. He’s saying he doesn’t believe in the news piece, or at least not fully believe.
imo, he’s just trying to look smart by questioning researchers in an ambiguous manner.