> Maybe it's time for a third large phone OS, whether it comes from China getting fed up with the US and Google's shenanigans (Huawei has HarmonyOS but it's not open) or some "GNU/Linux" touch version that has a serious ecosystem. Especially when more and more apps and services are "mobile-first" or "mobile-only" like banking.

This makes me laugh. Not at you, but at the cycle. This was the convo years ago when this was possible, but getting consumers to trust a 3rd party like PalmOS (which was actually pretty darn good compared to android) is practically not possible.