Second this, also coming from GitHub too. The nature of the messages has definitely changed. You can find skills out there for abusing HN for marketing purposes. Have pondered making pull requests to add the Guidelines as a way to slip in "don't do this, it breaks the rules" without needing to ask for those words to be merged explicitly.

I may remove my email and force them to go through my discord, but it sucks having to make outreach more difficult because tragedy of the commons.