Sen. Mark Warner says lax enforcement of rules by social media platforms ‘leads to toxic social environments that elevate harassment and abuse.’

The letter, shared exclusively with Bloomberg News and addressed to Valve co-founder and head Gabe Newell, threatened “more intense scrutiny from the federal government” for Steam’s “complicity in allowing hate groups to congregate and engage in activities that undoubtedly puts Americans at risk.”

A United States Senator submits an open letter to Steam parent company Valve over the proliferation of hate-based content on the platform.

A U.S. senator has written an open letter to Valve boss Gabe Newell asking for more stringent moderation of Steam. Mark Warner, the United States senator from Virginia, demanded Valve crack down on what he called “hateful accounts and rhetoric proliferating on Steam.