To quickly recap,
Pinterest had a covert policy of censoring conservatives. The policy was exposed by Live Action, a pro-life group that was a target of Pinterest censorship, and by Project Veritas.
Since then, YouTube (Google) and Twitter have shut down Veritas efforts to broadcast material about the investigation.
Breaking News: Twitter has decided that investigative journalism is in violation of their terms of service - @Project_Veritas has been temporarily suspended from posting for tweeting internal communications from @Pinterest which show them calling @benshapiro a "white supremacist" pic.twitter.com/eJNDWEfanf— James O'Keefe (@JamesOKeefeIII) June 12, 2019