I have seven up and coming cockerels just now, in addition to one old retiree rooster I adopted last year. This one is a super over achiever at crowing and goes off constantly!
You really can adapt to the sound. In my case, I actively enjoy it, but I'm also not having to concentrate on anything...
Hm. Just a couple of things I might try in your position, in no particular order:
Good noise cancelling headphones or headsets for workers/schoolers at home. The full ear covering kind. Would people on the other side of conference calls still hear the rooster? Could you all still be productive...