I certainly don't think that you caused a problem, but could see that the distributor could say that you "may" have and so disclaim responsibility.
Could I suggest that the Kings should give you all the remote control you need in a light box; they are a good option. Write off the angst and the Kings set you have.
Then see that for US$35, you can buy a King TX and your 3x RX - a good deal. Adding a second King TX should not cost extra postage: you would have a backup system (invaluable), able to fast-swap when batteries are low, and a second-angle camera using the same lighting setup.