If I am the twitter board member I would happily accept the offer, sell twitter.Come out as a team and start over a new social media with different theme which can be a competitor for Tesla's Twitter...
Explainer-How Will Twitter's Board Handle Elon Musk?
$Twitter(TWTR)$Board will announce good earning results and the stock price will go up above what musk has offered, then Elon have no choice than re negotiate the offer to higher price and sure they will sell twitter to Elon with some conditions to retain board members..