Because the left is very concerned about the rights of women, you understand.
I suppose you could easily play the game of Switch The Parties and ask how the media would cover this if the caller was a conservative and made the threat against a Democrat’s staff member. My guess is we’d see wall-to-wall coverage for at least four days, along with heartfelt monologues from Jimmy Kimmel and whole new excuses for Samantha Bee to drop C-bombs on her cable access talk show.