I just saw this Stack Overflow meta question Is it correct to answer copying from comments by other users? the leading answers essentially say, if there is good stuff in comments, go ahead and put it in a new answer (attribute comment maker as appropriate).
And given the last post to our meta is Please refrain from using comments to answer it seems like encouraging some of new users to look for gems in comments and work them into complete answers, could be a good thing.
We have a lot of old comments with valuable information that could lead to great answers, created by new users looking to contribute meaningfully to the project.
