Looking for help with tanking

[Hasrat]

When DPS is primarily single target, it really does go a lot faster and smoother if they focus on the same single target and marking one is is a good way to promote that.

While I mostly agree, also worth considering that probably too often, you're just as likely to get overgeared overeager DPS that will intentionally ignore marks just because "lulz who cares it's trash."

In my early days, I enjoyed occasional marking, or at least focusing down, of vaguely problematic mobs. Often things that had some form of AoE, because, why wouldn't we want that dead so we can stop dodging out of the attack? But, most would rather just burn everything.