I imagine you'll get a higher percentage of respondants from the group that downvotes for "good reasons", than you will from the group that downvotes for "bad r

I imagine you'll get a higher percentage of respondants from the group that downvotes for "good reasons", than you will from the group that downvotes for "bad reasons" as they are probably less willing to publically admit it. So I doubt the responses in this thread will be that representative overall.