Not necessarily. Certain behaviors once learned are not stopped. Crowing is typically one of them.
A rooster by definition is an intact Male. It would no longer be a rooster with the removal of the testes. The owners would be within the letter if not also the spirit of the law.
Rehoming a rooster generally has an exponentially higher risk of killing him. Do you think people that volunteer to take roosters give them a forever home.
For Pete's sake people. Are you equally against spaying/neutering cats and dogs, castrating bull calves and cutting stallions. There's a high risk of killing anything that has surgery. You all need to get a grip on reality and have some View attachment 1794580


I would like to add my .02 for the OP's consideration.
The surgery is much easier on young birds. Crowing can certainly (but not always) be prevented if the bird is operated on young enough, but usually will not stop a rooster who is already old enough to crow from doing so.