The blocks wouldn't exist without the government.
From https://cuii.info/en/about-us/
The CUII was founded by Internet access providers and rightholders and coordinates the implementation of court blocking procedures and the enforcement of court blocking orders.
The article was about how they are deciding to block websites on their own authority, without court orders.
The article is speculating on why a test domain owned by Telefonica is blocked. The government issues many blocking orders and the CUII complies.