I see that your argument, like most on here, is purely from a SL perspective, ergo if it benefits us then it will benefit the sport as a whole.
Today Keinhorst, Yates and Walters played for Hunslet and helped us to a win.
It shouldn't be conveniently forgotten that the move wasn't about developing players per se but was about taking the financial pressure off SL clubs.
Why have a reserve side when you can use an CC club who have no real choice and can't afford to say no to DR.
Darryl Powell was on the radio against it, and pointing out the integrity element once championship clubs start meeting SL clubs for the right to be promoted to or retained in SL.
I'd guess that the RFL/SLE don't really care, all will be Ok as long as the two northern professional CC clubs don't do DR and play out their two horse race and be the only challengers to the SL clubs.
The rest of the Championship can continue to be used.