I will be moving event organization off of meetup end of this year (possibly towards @mobilizon) for long-standing ethical reasons. Today I realized that they have in the meantime deployed algorithmic sorting of events, moving away from unbiased chronological order to some undocumented - and I would guess probably (soon) monetization-driven - arbitrary order. If there was any doubt left in me about leaving meetup, it's now gone for good. :)
Also I'll happily put the 120$/year meetup currently charges for an organizer subscription (and they're really delivering lousy value for that money!) into the hands of a community-hosted mobilizon instance instead!