I can't really see that happening. The music of kromestar and random trio for example is different enough, arguably, to warrent it, but the central producers are basically family. They all play each others tunes, play the same raves and come from roughly the same area. Whilst I hear what you're saying about N-Type, he still plays some heavy deeper stuff - loefah and mala beats mainly. Varied selections throughout nights is the norm and I really hope it stays like that. There seems to be real respect between all the central producers, whatever styles they happen to produce.
Also, the main culprits of writing the style you're talking about do make deeper stuff as well, mainly thinking of Benga.
If there's a split coming, I reckon it'll be between the fans (read: bickering on forums) rather than the producers and DJs.
But hasn't Kode 9 (as a primary, perhaps only example