Have you ever flown a drone at 300'–400' and looked at the footage of any people? There's zero percent chance that you can make out anything personally identifying at that altitude beyond “yep, that’s a person walking.” You won’t be seeing faces...
LOL
Welp, I was back in the area today and a tradesman working in the area again noticed me, and had witnessed the whole thing yesterday.
He said he was sitting on a nearby stone wall, and was admiring the drone as it hovered. Apparently...