Personally I think the issue is with advocacy. I would have a hard time selling Lisp at a lot of places because it's been around long enough that the management

Personally I think the issue is with advocacy. I would have a hard time selling Lisp at a lot of places because it's been around long enough that the management has heard of it, but they heard about it "in the eighties", which I think gives them some pause. A lot of people lump Lisp together with COBOL and the like, just out of ignorance.