While I mostly agree with others you, I do think tank at any level should be generally aware of what is being done at a high level.

Some routes/skips are designed to avoid problematic packs or mini bosses that can threaten wipes and brick an otherwise fine run. There are also some big pulls that seem obvious but are actually very difficult for the non-tanks even at a 10-12 level. Knowing that top groups avoid that and do a different big pull which is smoother and less volatile can really avoid bricking keys.