Some people get offended very easily it seems lol, but I wouldn't worry about it. Doesn't matter how good the machine is if you don't understand it.
That's a nice, older looking signet ring.
I don't mind them, it's my favorite detecting show.
What I really want to know is, what is their favorite detector? (Aside from the business deal with Garret) What would they want to swing when the camera isn't rolling?