Good luck convincing zoomers to join mailing lists... they are just not wired that way anymore, we are solving exactly this issue at the moment in different OSS project, and all we managed to come up with (majority of community are < millennials (I am millennial) and they want Telegram, Discord,... the most we managed to convince them is to subscribe to few announce-* mailing-lists...

TL;DR OGs are getting OGed... :) And we need fresh blood...