"Google wants to kill the URL"
"People have a really hard time understanding URLs" is not a good enough reason to get rid of URLs
To this day, I refuse to use an AMP specific webpage as it breaks the open web. When I'm presented with an AMP link, I edit the URL to remove that component so I get the full page. "Safe" URLs will similarly cater to Google interests and I will not be using it
If other vendors go along with this, I'll write my own browser if I have to