Google is trying hard to lock users in with many tactics and none of the alternative stores has more than 1% of Google's market. If you want reach, you have to somehow play ball with Google.

If the app is controversial, it will not only be banned by Google but also by Samsung and all the other big brands.

FDroid is cool but very very niche. Probably more apps get installed from the provider's web page than from FDroid.

The discoverability provided by Play Store is essential to most app developers.

When Nostr Appstr app publishing through nostr?