I don’t know if I just missed it up to now, or if it is a recent change, but the tag line for the help forum reads
For everyone who needs help with OpenStreetMap; Whether you are new or experienced, or if your question is technical, practical or legal.
Suggesting that legal questions can be answered in the support forum is not a good idea.
Not only is there a potential legal angle to that (because in most countries giving legal advice is a regulated activity), you further need to avoid giving the impression that the forum is a source of definite answers to legal / licensing questions to the OSMF except if the LWG wants to provide manpower to provide such guidance.
Naturally answering your typical “can I copy from google” question is OK, but they will turn up in any case.
I would be careful about even doing anything with licensing on the QA site. At most allow for questions to be posted but have the answer section completely locked down. Its only purpose should only be to display a disclaimer and direct people to a locked down wiki page controlled by the LWG. The page would contain “best practices” and other rule of thumbs related to licensing and attribution.
I doubt LWG has the capacity to respond to everyone who has a legal question. This approach would therefore simply result in people being left alone with their unanswered questions, which strikes me unhelpful and unwelcoming towards to people who want to use OSM data.
For the record, that doesn’t mean the original suggestion in this thread is a bad one and I’ve opened an issue to make sure it’s not forgotten.
The LWG definitely doesn’t have the capacity to answer all questions, but the solution to that is to point people to the large body of material published by the OSMF / LWG. With the exception of a very small number of cases that legitimately should go to legal-questions@osmfoundation.org if the question can’t be answered by existing material, the enquirer should be talking to their own legal counsel.