As someone who knows quite little about Android (currently in the Apple ecosystem, but considering jumping ship): When you use these privacy-focused Android versions without Google Play, is there a consistent way to get apps from the Play store to run on there? (e.g. download the APK from somewhere and sideload it). I'd really like an OS that doesn't spy on me, but there's e.g. some goverment ID apps, transit apps an…
The problem with degoogled phones isn't not accessing the google play store, it's not having the confusingly named google play services.
https://en.m.wikipedia.org/wiki/Google_Play_Services
A lot of apps rely on google play services. It mostly depends on how much of google play services an app requires as to whether it'll work on a degoogled phone or not.