The most valuable sites are already advertisement free. Anyone remaining who implements this standard just reduces their viewers. People will do without or other sites will offer an alternative. The tech is doomed to fail because the consumer is always right.
Dear diary,
Today I forgot about how the internet functions, and have decided to ignore how a router + infinite cpu & storage works, without websites that are not documenting who their visitors aren’t, so they can’t sell advertising, nor sell to groups who aren’t affiliated with state governments.
Sincerely, Not a computer scientist