It's also for government warrants on 4th Amendment grounds. It does not cover the government simply purchasing (or asking nicely for) the information from a willing Google, perhaps also in exchange for the Justice Department settling an antitrust action, or for an unrelated lucrative contract.
Every "progressive" actually called you an extreme right-winger for suggesting that that was a problem in the government meeting weekly with every social media company making suggestions about who and what speech to ban. The brownshirts are already well-practiced. There is no one on the constitution's side, including the ACLU.