When you compare dungeons to raids, the new fractals, and PoF bosses it’s clear how outdated they've become. Enemies repeat the same 2 dull attacks and are killed by players who can just stand in place. I think this is part of the reason players have grown tired of them.
So, would you like to see dungeons revamped with more modern mechanics? It could breathe life into them once more and be a nice update for those who like instanced content.