Tennis is a sport where the crowd is asked to be quiet during organized match play. It is also a courtesy for tennis players even in pickup games to not speak out when other players are hitting the ball. Noise is a major reason why tennis and Pickleball should not be collocated.
The noise level of Pickleball is even becoming an issue nationwide within neighborhoods. There is a good article in the Wall Street Journal entitled “Thwack. Pop. Whack. Pickleball Noises Turn Neighbors Into Activists”. A subscription to WSJ is required to read the entire article, but you can get the gist from this link <Thwack. Pop. Whack>.