You must run in a strange crowd. I can't say I've ever heard it referred to in that way before. But then I have noticed that the younger crowd are speaking a totally different language than I grew up speaking. Most of the time I have no clue what they are talking about.
It was a younger person, but then, you and I, aren't they all younger???
Many collectors I know will be dissuaded from owning one with a lock, so much so, there is an accommodation and replacement available.
Location: 3 miles NW of Brownells retail store and they keep me broke!
The one on the top of the rossi lever actions does look just like an ignition switch on an old Oliver tractor. The ones on the S&Ws aren't as obnoxious but are still stupid and usually turn me away unless they are dirt cheap.