Tesla Motors as a company are accepting bitcoin as a payment method for car purchase, and I do not think the company is ready to hold Bitcoin like some people will think.
If we're going to believe
what Musk says, they are planning on keeping all the coins from the sales:
Bitcoin paid to Tesla will be retained as Bitcoin, not converted to fiat currency.
Again, he has said a lot of things lately and I've been always suspicious of his tweets, and not just for the events this year, he has a long history of not telling the complete truth, omitting essential parts of his plans that turn things 180 degrees. Just like he did here, he is keeping the coins from the sale but he might sell the ones he bought as an investment, he didn;t lie and he didn;t tell the truth either.
is he trying to hod bitcoins so it will be scarce then he control and dictate the price of the market
This is no longer the time when a few whales playing around could manipulate the price when bitcoin was 100-200$ and a few million could turn the markets upside down, if he tries doing the same stuff now especially using Tesla funds for it he will be in serious trouble, why would he even bother to do so? Destroy a 1 trillion company and even get dragged in courts for a few billion?
He is too smart for this, he knows how to take some profits from hype but he won't play that dangerously with fire.