I see a lot of questions and comparisons of sound suppressors here.
I can understand it if one is hunting near residences and perhaps don't want to disturb anyone, or to be a bit low profile regarding the anti-hunting crowd. And it makes sense when trying to eradicate a pack of coyotes or wild pigs.
How many are doing it to be polite, and how may for their own hearing?
It seems to me that you give up a bit when you chop a .270 or 7x64 to 20 inches of barrel.