If I'm honest Alex's radio 1 snub is more about personal dislike for Alex and not about her music (even though the last couple of singles really suck ass). For me Alex is the most sucessful (outside of Leona) simply because the public really were and are against her and even with really poor material she has managed to sell this album and some really poor singles just on the strength of her public performance and hard promo.

Good luck to her I say. The label probably wanted to sell as much as they could and call it a day but i get the feeling they're surprised at how well Alex has done. It just might be what they needed to really take her seriously, give her some good material and some more vocal training.