Sorry maybe I should be clearer - the problem of tyrannical governments is not solved by being anonymous online, or indeed any technology that makes it hard for government to do the tyrannical things. Safety lies in an engaged citizenry that reacts to fundamental threats. The protests against the ICE in Minnesota being an example.

>>> It will result in all sorts of changes to cultural norms across western nations

I quite agree - but I (hope / think) that the benefits can outweighs the downsides if done well. Those nations that do it well will I believe find a rocket like boost to society and industry perhaps akin to post 1945 world. Those who don’t will fall behind.