Scenario:

While I've only attached 2 links below, I think if you surf around enough you will see what I mean.

https://codereview.stackexchange.com/questions/10267/meta-question-although-i-havent-the-reputation-is-it-generally-a-good-idea-to

https://codereview.stackexchange.com/questions/10194/find-the-largest-prime-factor-of-the-number-600851475143

Feature Request:

Allow a comment to be promoted (migrated) to an answer. Include the option to auto-accept as the answer for the question.