He claimed that the campaign was run without X’s direct sales staff and that the company’s advertising agency had failed to activate Brand Safety settings.

Advertisers may ensure that their advertisements aren’t showing alongside posts that businesses might find objectionable by using X’s Brand Safety settings.

In response, one advertisement ran next to a post on which X later took action, suspending the account altogether, according to Benarroch’s email to CNN.

But according to NBC News, a large number of these accounts are still active. This week, the publication published an analysis that identified 150 verified premium accounts that had “posted or amplified pro-Nazi content.”