I do hope you are not talking about me.
And he is right, though. That comment of yours is in the bio of Jlyon's profile. You guys know each other? Just stating the obvious, no attack, no flaming, just an observation of the obvious.
back on topic. I think etching or putting drivers license numbers or addresses are probably not a good idea. A VIN number isn't personal information as a vin is pretty much readily availble to be read by anyone.