The EU is a 17 trillion dollar economy. It's the second largest market in the world for most of these companies, they'll never pull out. It is simply hot air. They'd never even leave China unless the US gov. forces them at gunpoint.
https://gs.statcounter.com/press/google-gained-market-share-...
According Wikipedia and at least 2 different sources they quote, Google peaked in China at 29-35% and even that seems way too optimistic, if you ask anyone who used search in China back then or have been there. By my experience from years ago was Google search in Chinese language useless.