Power efficiency, absolutely, and a lot of this is due to them not really giving a damn for a while. Which was great! You truly could do anything with your phone, run things in the background forever, etc. Nowadays, Doze, Android Resource Economy and the need to go through Foreground Services/WorkManager makes it quite a bit harder to do.

No, it's just not important to you.

Garageband seems to be pretty popular on all the iOS form factors. iOS has for most of its life had a strong offering of music composition and production apps. iOS has had a high quality media framework for years, Android has not.

And if the need is so questionable, why did Android finally get around to addressing it?

And this seems like an odd argumentative path for an Android fan to go down - downplaying the importance of more niche needs outside social media and cow clicking as not important. iOS does just as well or better for messaging, Instagram and TikTok. If you only care about the smart phone basics for the masses iOS ecosystem is pretty hard to beat with better battery life and support.