Amen to this; I want another Windows Phone. If I'd wanted an Android phone, there are plenty of options already.
Microsoft would've done better by making a x86 Surface Go running full-sized Windows that happened to make phone calls. There were a few models of Android tablets that could make phone calls, so it's not as if it were a outrageous idea.
IMO it was a mistake to give up on the Windows 10 mobile OS but it's also true that MS has made too many mistakes for it to ever take off at the point where Android and iOS have been developed for at least 7 years already.
Microsoft would've done better by making a x86 Surface Go running full-sized Windows that happened to make phone calls. There were a few models of Android tablets that could make phone calls, so it's not as if it were a outrageous idea.