Yes, Twitter was the primary tool he used to inflate the market value of his properties and manipulate the market in his interest.

I wonder if it would be legal for Elon to secretly boost his own tweets. And more broadly, uprank posts that support him and downrank those that disagree.

But that was all possible without owning the company. Surely becoming its owner just invites added scrutiny and doubt?

Musk's twitter presence have turned Tesla from a $100 billion cap company to a $700 billion one.

Yes it is (to spoiled toddlers).