Yeah I suppose if you are already vetting based on identity from outside the network that probably does scale. Most people aren't as careful about this as you are, though, so it'll still be a problem and it will have to get much worse before it gets better.

I'm not on twitter. I left when the tidal wave of right-wing spam started to outweigh the entertainment value of seeing Yann LeCun dunk on Elon Musk.