But in the case of Chrome OS this is likely to be fixed soon because Chrome is getting unbundled from Chrome OS, meaning it can be updated separately. This is codenamed Lacros and is in testing now. Devices currently receiving updates are likely to get it. https://www.androidpolice.com/2020/09/12/google-is-separatin...
Also, Chrome OS devices explicitly support unlocking and installing alternative OSes. If you don't like what Google does with Chrome OS you can install Linux or Windows instead and keep using your hardware as long as you like.