TL;DR
Should users with short attention spans be catered to? Ooh, is that a squirrel?
The Question
Should users be encouraged to begin their question with a TL;DR summary, rather than end with it?
Explanation
If the question is sufficiently complex to warrant a summary, I'd think that it should be placed at the top of the question so it could be seen in the preview. I'm wondering if that's a change I should start making when editing posts.
TL;DR
sections will ever read this post nor follow it...