Yes, I've applied River-Rock in a couple of rooms in my house, & it's gorgeous. I used it on the top half of rooms that had an oak ledge halfway up the wall.
Also, I've posted a few replies to Suede & River-rock ?'s at various places on this loooong bulletin-board. Please check them out, as well as the postings from Mr. Paint. I can tell from his statements that he KNOWS what he's talking about!
We "counsel" our clients on how to correctly use/get their wall ready for these specialty finishes, and we RARELY have any issues with it! I haven't had a negative comment come back to myself either.
Yes, you are correct...lots of people can "mix" paint. The "art" is how to use different kinds of paints/primers on the many different surfaces & conditions found in American Homes!
So...no, I won't be joining any lawsuit. No reason to...too many satisfied clients in our store.