Answer for your Q is already there in OP's post >He is willing to take it private at the $420 price, probably way higher than the Saudi's were planning on > h

Answer for your Q is already there in OP's post >He is willing to take it private at the $420 price, probably way higher than the Saudi's were planning on > how the Saudis would be negatively affected by Musk tweeting out that he effectively wants the stock to go up in price. Saudis would have to shell out more money if valuation keep going higher