We went from living in villages where everyone knew each other to living in big cities where almost everyone is a stranger.
We went from photos being relatively reliable evidence to digital photography where anyone can fake almost anything and even the line between faking and improving is blurred.
We went from mass distribution of media being a massive capital expenditure that only big publishers could afford to something that is free and anonymous for everyone.
We went from a tiny number of people in close proximity being able to initiate a conversation with us to being reachable for everyone who could dial a phone number or send an email message.
Each of these transitions caused big problems. None of these problems have ever been completely solved. But each time we found mitigations that limit the impact of any misuse.
I see the current AI wave as yet another step away from trusting superficial appearances to a world that requires more formal authentication protocols.
Passports were introduced long ago but never properly transitioned into the digital world. Using some unsigned PDF allegedly representing a utility bill as proof of address seems questionable as well. And the way in which social security numbers are used for authentication in the US is nothing short of bizarre.
So I think there are some very low hanging fruits in terms of authentication and digital signatures. We have all the tools to deal with the trust issues caused by generative AI. We just have to use them.