I think we shouldn't expect historic pages to work in modern browsers. As long as we can reliably run older browsers we can also view historic pages as they were once rendered.
I think there's enough cruft on today's bloated Internet that the blink tag is hardly a significant step in a right direction.
"Trust me with your data, I am a technologist. It's okay, I'll take care of it. Though I will expect you to fire up a VM if you still care about it 10 years from now."
Not expecting it is not the same as not wanting it - and the demise of <blink> is an expression of wants - or rather want nots.