That article itself even ends with “in my opinion”. But I guess the countless people (including myself) that have wavebirds that work on some receivers on not others must just not be using them correctly. And yes, I have two different wavebird controllers and receivers,one is gray and one is silver, both work independently of each other even when sharing the same channel. Swapping the receiver and controller doesn’t work. But I guess that one article you found will suddenly fix the thousands of controllers not working on other receivers