Why must the Europeans be like this? Why do they insist on fucking with a free and open internet instead of addressing the apparently unmet demand that is fueling a black market?
For one simple reason. If the US wants some content gone from the internet, they (usually) have enough might to make that happen. Most major tech companies are registered in the US, and can be ordered by a US court to stop providing services to pirates. This notably includes most major DNS registrars, reputable ad networks and major payment processors. There's no point in blocking a website if you can just boot it of…
There are plenty of states in the US that enacted age verification laws for porn sites. Every single one of the porn sites that are not hosted in the US just ignored the laws. I live in one of those states