A good 99% of people will accept it, for the same reason they keep using fiat today. Worst, most people will not even see any difference between old fiat and digital fiat.

CBDCs will become common (and enforced by law) in most developed countries circa 2025. That's why the window for Bitcoin to succeed as a real alternative is shrinking. We need to onboard at least 500M people before CBDCs become mainstream. Not a done deal.