Well, for starters, pre-owned vs. engraved are two very different things, right?
My $.02? Ask yourself what kind of items, in general and not just hand tools, that a person
would be willing to own with someone else's name / initials on them in plain sight?
I can't speak for anyone else, but I wouldn't want to own coffee mug with someone else's name on it, or a hat, or a fancy pen, or a watch, or a set of steak knives, or anything else, for that matter. It's kind of hard to have any pride in ownership when someone else's name has been scrawled/burned/painted/punched into it. YMMV, and it's fine if they do, but that's just me.