What you are talking about is "white label" casinos, a "hit-and-run" solution offered to affiliates by some programs, something we discussed recently.
White labels clutter up the web with more crappy casino clones, adds to the confusion for players and is little more than a cheap marketing tactic. The affiliate gets suckered in by the idea of becoming Calvin Ayre Jnr, ends up with all their eggs in one fragile basket, something like the UIGEA comes along and *bang* there's a big mess of yolk on the floor and all the babes in bikinis go running off to sugar daddy.
Oh and in case you hadn't guessed, I'm not a fan