As an American I think I have a good way for the fediverse to gain momentum as people flee fascist US tech companies.
achem….
“Europe! Canada! Fucking HELP! We broke everything again!”
Seriously though, while government-run and “official” instances may not be a fit for many of us here, it could make huge strides with mainstream users. Maybe getting a large percentage of people invite onboard in a small country or two could be the seed that gets it to spread.