The lack of silicone-free conditioners is frustrating, but I think they responded as best they could. Us CG-ers are really only a tiny minority and so it's pretty understandable for them to assume that everyone uses sulfates and therefore washes out any cones. They were also correct about cones protecting hair from heat styling and some products.
It'd be interesting to link them to this site and see what they make of it
Fine and thin 2C in Australia