And how would miners convince most exchanges and services accepting bitcoin to use their own Bitcoin implementation instead of Bitcoin Core? Because Bitcoin Core and compatible implementations would just discard invalid blocks and ban everyone who broadcasts them. And after segwit2x fiasco I don't think miners will even try.
Time has changed. There is just too many information now - news, memes, TV shows, music, etc. And this is just another news in an ocean of other news. People are going to the Moon, cool, now lets check out what that Instagram celebrity that I'm subscribed to has just posted.
No it doesn't, it renders it as a bunch of spans. MathML is basically a dead standard for the web - browsers either don't support it or support is incomplete and with bugs which makes it useless.
It would be ok if it is voluntary - you can upload your face and choose what information about you is shown, not if someone scans the entire internet to collect as mush information as possible and make an app of that.
No, it wouldn't. First of all, it is obvious that there will be no consensus. And even if there was consensus it would be very challenging to do because deploying a hardfork takes time while criminal could transfer his money before the hardfork to a different address.