If you're looking to have a dispassionate and thoughtful conversation about a contentious subject, referring to other people's perspective as a "leftist agenda of 'equality'" isn't a great way to go about it.
I am not interested in this debate and further feel like it's not remotely germane to this thread, which is why I feel entitled to tell you how uninteresting I find that debate.
I suggest you write a story about how you feel harassed by people who seem to have an agenda, and then submit it to HN and see how it does, rather than using this story about Slack and these four engineers as a coatrack.