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I'm on this path too. Waiting a few more months to see what happens. If they indeed block my 4 apps on my phone (which aren't published anywhere), I will simply move to Apple.
Will your 4 unpublished apps be in your android-alternative apple device? Android will still have the ability to install non-google-distributed programs. The problem is the ominous momentum, but it is still more open than the apple alternative
The long term fear/plan for google is that they know they days of SAAS and Apps are obsolete. People will just write their own platforms, apps, websites all from scratch using AI, which means the app stores becomes obsolete, which means no more ad revenue from shitty ads and no more control and unfettered tracking of your behaviour. AI will make these guys obsolete, they know it, this is them fighting back.