I think a survey along these lines is an interesting idea and wish you well with it, though the biggest problems I see in the area of ethics is establishing what is ethical or not.

Your question, for example, says "you felt was unethical".

There are lots of things I feel are unethical that a lot of decent people I know do because it works (e.g. modal popups on Web sites) and lots of things I feel are ethical but others often denounce (e.g. offering different pricing to users for split testing purposes).

I think there needs to be broader consensus over what ethics we accept as a profession or community before we can really nail down whether people are adhering to such ethics or not.