Windows Phone was indeed damn good. I held on to my WP 10 phone a lot longer than anyone sane would have. However, the only growth for WP was in the negative

Windows Phone was indeed damn good. I held on to my WP 10 phone a lot longer than anyone sane would have. However, the only growth for WP was in the negative direction. There were no apps for WP because of past compatibility breaks, Google was sabotaging access to their services, carriers and OEMs were unhappy because of low sales volumes of WP phones. Windows Phone was already very clearly dead before Nadella took over.