Originally Posted by
SeraviEdalborez
Actually, it will. Though of course in combination with actually knowing the pattern.
Think about it. When does a (good) healer DPS in trivial content? When they know there's a period where the tank won't get instantly slaughtered by mobs. That takes a degree of situational awareness. It's about "what can I get away with DPSing for 2-3 GCDs?" Replace DPSing with doing literally anything else. Stoneskin, Esuna/Leeches, curing up a non-tank.
This is absolutely a skill that is used in other areas. This fallacy that DPSing is the only thing you're doing when the tank doesn't need a heal is hilarious. That's just one thing you can do. Recognizing the times you don't have to wait for the pistol to start sprinting DOES make you a better healer.