Because things have improved? I own a Nokia Lumia 925 and have barely anything to complain about. The thing is I've never been crazy for searching through a ton of crap apps every day like some of my friends. WP8 delivers what I need in a consistent way. I'm glad I moved away from the Android phones I owned in the past 2-3 years.
Well I guess my point was that I have no reason to move away from Android now. A few years ago the experience was terrible and I saw WP as a clean escape from that. Since then Android has come along leaps and bounds.
