A charitable interpretation of "No one, and I mean no one" would be an incredibly small fraction of a percentage of people to the point of being insignificant and irrelevant to the conversation.
There's enough people paying for email that there is not one, but several farly large providers of such services - Proton Mail among them, but also e.g. Fastmail.
I and several people I know are happy to pay for email. Every report like the one linked here makes me an even happier paying customer.
Perhaps you have a different definition of "no one".