Yeah this is incredible actually. This technology could become very popular with just a few simple changes to signup flows and user interfaces, and I see what's needed, but on the other hand, I actually don't want too many people to join us.
It's good with a bit of a barrier right now so we don't have to deal with moderation issues caused by people who just want to cause conflicts.
If you want to, sure. I haven't used Google for many years but others seem happy to continue using them.
I think a lot of people have given up on privacy but it's not too hard these days to get some. You just can't get perfect privacy. Then you can't even own a phone or have a credit card.