The difficulty of Normal Content in this game needs to increase.

[Absimiliard]

But, the whole drive to shave 120 seconds from Sastasha or Cutter's Cry, or Holminster's Switch, or <pick some normal dungeon or trial> drives me bonkers. In the name of saving two minutes, they'll pull too much, kill the tank three times, and of course, completely lose the time they were supposedly trying to save in the first place. Makes no logical sense to me at all.

Dungeons and trials low enough in level that tanks lack their self-sustain tools, I can agree on. It's important to gauge what your group is capable of handling and proceed appropriately. In higher level content, however, there is really no excuse for a non-DRK tank to die. I say this less as a shot at healers and more at the tanks themselves, as three of them have kits that allow them to be almost, if not entirely, capable of self-sustaining in most content below savages. Even should the healers and DPS falter, those tanks should be more than capable of handling wall to wall pulls in a way that prevents issue.