There have been several posts on the forums that confirm that the inspiration (crafting xp) earned from the deconstructing of stolen items has significantly decreased. It has been suggested that laundering the items will improve the inspiration received but it is disputed.
Related Posts:
- http://forums.elderscrollsonline.com/en/discussion/219101/crafting-xp-gains-stolen-items
- http://forums.elderscrollsonline.com/en/discussion/212470/xp-loss-for-crafting-using-stolen-items
