BARCELONA—The new chair of the Federal Communications Commission hasn’t had many nice things to say about large US social platforms, but he used a speech at MWC to defend them against a different opponent: large EU regulators.

The chairman of the U.S. Federal Communications Commission (FCC) on Monday called out European Union's content moderation law as incompatible with America's free speech tradition and warned of a risk that it will excessively restrict freedom of expression.

Carr, who referred to the rules established by the EU’s Digital Services Act (DSA) as a form of censorship, said those new moderation requirements are “something that is incompatible with both our free speech tradition in America and the commitments that these technology companies have made to a diversity of opinions.