First it was, Windows Phone 7 will be great, and it wasn't,
I got heavily downvoted for suggesting that WP7 should not be cut any slack because I suggested it was not a brand-new OS but, err, the 7th iteration.
Now it is a commonplace that it is just WinCE rebadged.
I got suckered into WM6 on a phone, that never worked and never got fixed. Ditto WM6.5 . Had I been fool enough to believe the hype over WP7 they would have done it to me again. There is no good reason to trust WP8.