The question was 1+ million people. Any alternative in the article but Signal could handle 100s or 1000s to my knowledge.
Multiple sources cite different totals but it does seem like there are multiple 1+ mil servers.
https://www.deepcord.com/leaderboard/top-members/all/all-siz...
alt Hacker News
Multiple sources cite different totals but it does seem like there are multiple 1+ mil servers.
https://www.deepcord.com/leaderboard/top-members/all/all-siz...