Anecdotally on how this affects the day to day user experience: I just deployed T-Mobile 5G Business Internet to a temporary pop-up art space (it's only active for a few months) and I'd say twice daily I get a CAPTCHA challenge on Google search.
And I hope it gets worse for users behind CG-NAT to the point that websites and ISPs move to IPv6.
And I hope it gets worse for users behind CG-NAT to the point that websites and ISPs move to IPv6.