There's some yahoo who buzzes my house twice a week in a Cessna (coming and going). He's often under 500' AGL. No ADS-B and haven't gotten a tail number yet. I think it should be illegal to not have it enabled, for exactly this kind of thing.
In fact I wonder if it's even a licensed pilot—William Bushling apparently flew for 20 years without a current FAA license and also didn't use ADS-B; when he finally lost the dice game it took them days to find the wreckage: https://youtu.be/69NvK6YbNtg
In fact I wonder if it's even a licensed pilot—William Bushling apparently flew for 20 years without a current FAA license and also didn't use ADS-B; when he finally lost the dice game it took them days to find the wreckage: https://youtu.be/69NvK6YbNtg