I agree with all said, but I think that leaving a comment to the OP to let them know questions for Drupal can be asked on Drupal Answers has most of the cases the effect of having the same exact question asked in two different SE sites.

Drupal Answers is still in beta, but when it goes off beta phase, questions about Drupal on Stack Overflow don't become off-topic. This is the same case of questions about Apple products that can still be asked on Super User.  
Probably, the community on Stack Overflow should decide if there are Drupal questions that are not particularly liked on Stack Overflow, and mark them for migration on Drupal Answers. I can imagine that questions about the theme to use, or which module to use, asked from the point of view of somebody that doesn't create Drupal modules are not particularly about developing.