No please read my comment again. I know there are alternative stores. In practice, many mainstream apps are not easy to install using these stores. If you had done a 1 minute search, you’d find tons of people complaining about trying to degoogle their phone. I think almost everyone just gives up on at least a few apps.
In context, I clearly meant “most apps people use and need”. Almost all the streaming apps, all the corporate social media apps, all the payment apps, etc seem to be problematic.
Remember that the larger discussion is about the viability of protecting your privacy on Android vs iPhone. Sure everything is “possible” if you futz with it enough, you could even code your own OS and all your own apps, but the more you have to futz, the less viable it is for most people.