Why on earth would you do that instead of using Waze on the larger, built-in screen? Especially if you are a buyer who "strongly prefers" having that in the first place? Nobody is using that kind of holder on a car with Android Auto or Carplay.
People may have different preferences from yours.
Nevertheless, some people prefer not to accept them while not being entirely anti-tech either. You may not be agreeing with choices other people make, but it goes a little far to call them "absurd on its face", don't you think?