As far as I'm concerned, they've only ever been adding one dungeon per patch anyway... It's always the same Trash > Boss > Trash > Boss > Trash > Boss corridor every single time anyway... Individual mechanics are tuned so low as to be almost entirely irrelevant, other than that they just paint a different bit of flavour on the corridor. They haven't done anything remotely interesting with dungeons for a long while, not from a gameplay standpoint anyway. The lore and visuals around Amaurot were outstanding, but as far as gameplay goes it's no different than any other dungeon. Best case for me, dungeons have been amazing to run through the first time (not every dungeon is as amazing as Amaurot, though) and then just the same boring corridor on subsequent runs.

Never got why they felt the need to give us multiple dungeons when they're too deathly afraid of doing anything different with them. The moment they started streamlining dungeons into the same straight line and nerfing the bosses in early ARR was the moment dungeons became frivolous.