When I was still active I'd frequently get people at the door telling us that they appreciate the work we're doing (after telling us in no uncertain terms that they're not interested in a discussion). But I live in a particularly religious area, so that probably weighs in heavily.
Since leaving, I've told two people I work with about my JW past. The first was mostly unfamiliar with JWs (thought JWs were essentially Amish haha) with the exception of the memory of throwing a surprise birthday party for a friend and being confused by the the fact that it made the JW friend very uncomfortable. So I think in this case JWs were mainly viewed as irrelevant.
Later, I was in conversation with another coworker and somehow the subject of cults came up (not my doing at all) and while the topic of conversation was primarily scientology, she interjected "Or like the jehovah's wittnesses - I just want to grab them and say 'what makes you think this [religion] is a good idea?'" Obviously from the context she didn't have a positive thought in relation to the cult, and when she said this her tone was that of someone who was dealing with an insane person. (Of course I took this opportunity to pretend I was a JW and make her feel really bad for a few minutes before telling her that I'd left and substantiating her thought that they're a harmful cult)
So from my limited experience, the opinion of JWs (at least in the college-educated under-30 crowd) ranges from "who are they again?" to "what the hell is the matter with those insane cultists?"