Has the Unofficial Discord for DW1 been deleted?

Every invite link I've been able to find by Googling - including the one in the sidebar, is an invalid link.

So does the Unofficial Discord still actually exist?

I came across this in a guide on pirate playstyle on the Matrix forums site:

The other trick is to scrap and rebuild Criminal Networks on Empire worlds where their Characters, in particular Leaders, are stationed so as to capture these vital figures for your own. I cannot emphasize enough how useful this is, especially the Leaders, which cannot be acquired by Pirates any other way. In fact, collecting enemy leaders is such a powerful trick it borders on exploitation.

This is from 2015. I was hoping to verify if capturing enemy leaders was still a thing that was possible, and also if it could be done as a regular empire by asking on the Unofficial Discord, as the DW1 channel on the Matrix Games Discord is essentially completely dead.