[macspoofing]

>I would really appreciate a response even if it was some form letter thing to the effect of "I just make a small component that happens to be used in your car, kind of like the people who make the screws in your car. Please contact your car manufacturer directly."

I work for a small company whose name is reminiscent of a popular Microsoft product. We get a non-trivial amount of tech support-type questions pertaining to it. At first you either help them or politely explain to them that they have the wrong company ... after a while it's just noise.