Can’t chrome be disabled on a non pixel phone?
Yes and your free to use many other browsers like Edge which does not use webview it uses a different open source chromium content module as I understand in my limited knowledge of these inner workings.
There are also other extensions used that are further removed and so on these were all spin-offs from the chromium project and should not be confused with Chrome
All these extensions enable delivery of html content to more or lessor degrees but have a common core standard for agreed standards for compatibility etc and are used cross platforms on many apps and not just browsers eg your game or app may deliver rules or FAQ in the form of a web page
Whilst Chrome is a fully developed app with many add-ons spell checkers etc etc other apps only use the very basics if you like to deliver HTML with minimal overheads
Whilst it seems reasonable to assume Googles own browser may have some tracking embedded its far fetched to assume any or all other content delivered by chromium api's etc etc is also tracking back to Google given the open source code and cross platform use.
It seems what ever you do somewhere along the line your leaking and there probably is many things you can do to slow down the leaks or give false data, but stemming the flow is probably outside most users knowledge including myself
While it can be seen that leaking slowly is a better option the end result will be the same. Part of the trouble of the slow sink approach is like cutting out the sports section in a news paper you may also remove the joke section on the flip page
I gave up trying to be King Canute
in fighting of the inevitable on some trivia tracking is not worth the effort given all the other stealth data mining going on from less scrupulous developers etc.
It's not the holes that you can see its the ones you cant that are sharing your contacts, photos, location data etc on Android or IOS unfortunatly.