Seems pretty reasonable with communication only via text.

Ehhh, to be fair, if Elon believed that he was anonymous [not a stretch given how dumb he is], why wouldn't he claim to be himself? He can just deny outside of there

What's the other extreme that you're talking about?

True. In all likelihood, they would subcontract plant operation to people who do know how to run one like Westinghouse, though

The Nuclear Regulatory Commission. As some who works in nuclear facilities, let me be clear: they do not fuck around.