The archival Web—the one you see through the protocol HTTP—will soon be condemned, cordoned off behind Google's police tape, labeled "insecure" on every current Chrome browser.
For some perspective on this, imagine if suddenly all the national parks in the world became forbidden zones because nature created them before they could only be seen through crypto eyeglasses.
Every legacy website, nearly all of which were created with no malice, commit no fraud and distribute no malware, will become haunted houses: still there, but too scary for most people to visit.
It's easy to imagine, and Google wants you to imagine it.