Maybe I’m desensitized because our group address is published in multiple places on the web, but that email is not even slightly noteworthy. This November we’ve already gotten 7 emails that said our mailbox was full or we needed to change its password.
To me this is just background noise of the Internet.
Sometimes I’m surprised that acts like these don’t incite violence against the responsible politician.
For someone who had their existance threatened it could be possible to frame it as an advanced form of self defense. Of course not everyone would see it that way, but I’m thinking it would be likely that at least some people come to that conclusion.