That's not actually true. Home internet access affordable to non-business users has never included the necessary static IP address or upload bandwidth to run o

That's not actually true. Home internet access affordable to non-business users has never included the necessary static IP address or upload bandwidth to run one's own servers, and has often included explicit prohibitions on such in the Terms of Service you sign to get service. Participating as a full peer on the internet has always been for the "business class".