The current burst of activity is very much a "scramble for lifeboats" as people attempt to preserve a fraction of their social graph on Mastodon. But there won't be a big drop off in Twitter activity or relevance until Twitter goes full fail whale. Or there's a serious effort to kill the community somehow.
(posting "joinmastodon.com" on twitter now gets you the "not allowed to post that link error. I guess this is what Elon means by free speech)
That's because, up until a few weeks ago, joinmastodon.com was a spam domain. It's only recently been purchased and redirected to the real domain: joinmastodon.org
(posting "joinmastodon.com" on twitter now gets you the "not allowed to post that link error. I guess this is what Elon means by free speech)