Regarding downvotes, I think its helpful for the writer to understand why he/she was downvoted.
There may be a legitimate reason that will help the writer in future posts. Its also respectful to the writer, and would help to understand/reduce the number of bogus or serial downvotes.
My question: Is it possible in SE/ELL to require an entry of a reason for the downvote? It does not need to display the downvoter's ID, and could have restricted access only to the downvoter and recipient (not displayed in the question itself).