Weak. The person or people issuing death threats are idiots, but my guess is that Pai seized upon a probably-not-credible threat as an excuse to avoid being utterly humiliated in a public forum. Accountability is not his style.
It definitely could be. But FCC commissioner doesn’t get a security detail. And if you go to local police they aren’t going to fly people around to protect you, they’ll just tell you to lie low.
In his situation, would you risk your life at a big public event?