Maybe CURLS caters to a market that doesn't necessarliy follow the CG routine to a tee. Some curl types actually need a little coneage and maybe the products weren't enough for those types. Silicones aren't always a *bad* thing so maybe the owner thinks its better to make sure the products are effective vs. making sure they are CG friendly.
The cones that have been added are the same ones you'll find in numerous brands. For example, Deva. Nothing a little Low Poo can't remove