"If you're the CEO of Twitter and you believe the temp guy is doing a better job, why not make the change?" Well, it's a big lawsuit, for one thing. Firing som

"If you're the CEO of Twitter and you believe the temp guy is doing a better job, why not make the change?" Well, it's a big lawsuit, for one thing. Firing someone on paternity leave is not a great plan in the US. At this level, a company may just accept that as a cost of doing business. But this is at least an answer to your question.