Joe Johnson wrote:

Should I report this to the FAA? If so, how? When in the course of an
aviation career does someone become so complacent that they don't say "boo"
before taking an active runway?

I don't know how to report it, but if a pilot has that sort of attitude, he does
not deserve to hold a commercial certificate. It's possible that he/she was on
the wrong frequency, but I think a chat with the Feds is in order.

George Patterson
I prefer Heaven for climate but Hell for company.