This censorship mechanism comes from 2011, when it was created under the Spanish Socialist Party's government lead by Zapatero. There was a lot of backlash, but the Intellectual Property Comission (also known as "Comisión Sinde") was never dissolved under the next governments' rules.

Re: La Liga's censorship, it isn't promoted by the government but by La Liga itself with the collaboration of the largest ISP, Telefónica/Movistar. Movistar used one of the subsidiaries to denounce themselves and other IPs so they would reach a friendly agreement (again, with themselves) that the judge considered enough to enforce the current Cloudflare blocks.

> Re: La Liga's censorship, it isn't promoted by the government but by La Liga itself with the collaboration of the largest ISP, Telefónica/Movistar

It is maybe worth looking at the overlap between La Liga / Movistar directors, and former government officials. The Venn diagram has more overlap that one would like to see

Right. First case was performed by the executive branch of the State. Second one by the justice branch.