They work there because:

1. They like the new vision/leader

2. They're waiting to get laid off and take a severance package

3. They're looking for a new job now but haven't found one

Elon has built two very successful companies and he has done it his way. He's bringing his way to Twitter. I think it'll be good for Twitter long-term because Twitter was falling into the category of where you'd go to work if you want a cushy retirement job.