With Rapture and Solace being nerfed and GCD heals generating lilies, you're basically only going to Solace the boss for Misery. It works out roughly 2500 potency per minute if you're just spamming your 1-2-3, (5 x 200 + 700 per 40 sec or so) which no WHM is going to turn down. If you needed more healing, you'd throw in some Medica II and Benediction for more lilies. Each lily generating heal is worth 316 potency after all with Solace + 1/6 of a Misery. So using Solace/Rapture to heal is 316 potency lost while using a GCD to heal is more like 80 potency lost. This also makes Asylum lose significant value, as potent as it is, being a GCD that does not generate lilies.

There's less decision making than you'd think. It boils down to 1-2-3, DoT, Solace and Misery to nuke boss, Benediction, Cure III and Medica II.

2 sec cast times don't equal weaves either. oGCD's require 0.7 sec + potential latency, which is the reason Malefic is 1.5 sec cast for single weaving.

The heal on Earth isn't really worth much, the majority of the time it'll be wasted healing on a player who would get healed anyway by your next aoe heal and 450 just isn't enough for clutch. As we've seen with SCH's Embrace at endgame, small heals you have no control over have far less value.