The only mistake in Gordias wasn't that it had a DPS check that required tanks and healers to put out as much damage as they had to clear content; it was that the content was far too difficult to be the first raid tier and gear gating was an issue, wherein content can't be cleared without getting upgraded gear from the previous floors regardless of your skill. If anything, Gordias needs to make a comeback in savage because, as the name implies, the content is meant to be harder and less accessible to the public than normal or Susano and Lakshmi are (which by the way are AWFUL examples of end game content because of how literally brain dead they are). Look, there's a very simple explanation for this, the best mitigation of a mechanic is one that you could skip all together. A11S and A12S are good examples of this, with high enough group DPS, you'll skip raid wide damage in A11S and a tank buster or two + the communion puddle mechanic on A12S.

Fall behind because your tank wants to stay in tank stance and use their aggro combo ad infinitum, you'll get hit by those mechanics putting more stress on your healers and your DPS who dealing with said mechanics.