From the video, he highlighted Fractal Design and Arctic to be really really excellent.
However, while being in the PC parts industry, they don't really overlap all that much with Asus.
Anecdotally I can say that BeQuiet for me has been superb. But again, they're not really an Asus competitor. The closest would probably be MSI or Gigabyte, both of whom have had their own issues as well, though perhaps not as bad.