We have/use a bunch of them.
They can help, but they're by no means a magic solution.
Loud generator shouldn't matter much, main thing is running it over night to keep the hole from freezing. You can keep it turned off most days on sunny days. If the hole starts to ice back up you just kick it back on for 15 minutes or so. You can also build a box around the generator to insulate some of the sound.
I ain't gone to bed with no ugly women, but I've sure woke up with a few
SEMO expert and hater of all things OOS
Duck hunters in the bootheel are the biggest violators in the Mississippi flyway
Take a kid golfing. My hunting spots are too crowded