I suppose that they could offer something like this vs recommendations from an "expert" like you to buy a new AVR:
https://www.thenaudio.com/?gclid=Cj0KCQjwhr2FBhDbARIsACjwLo3OrsT6w2FadvMNsB8tofo3MfMWsqOW2fCVephkCHBHsFiWCEGypskaAh_bEALw_wcB
With so many TV's now including Roku and Google TV, both of which support ATMOS, I don't know how much longer C4 can let the CEC/ARC issue go unfixed. Telling customers to upgrade their AVR/PreAmp Processor to eARC isn't going to go over very well.