Everything here is my opinion. I do not speak for your employer.
Okay, so this thread is the usual level of dumb, and normally I wouldn't bother to think about it. But... there's a weirdly large number of people who think nobody should be expected to know the length of a MAC address. Have we fallen so far?
My latest project is Tailscale: the easiest way to use WireGuard and 2FA.