Why Does Everyone Hate Healing Spirit?

[Grod_The_Giant]

Look, if your problem with the spell's use is that it's too good at out-of-combat healing, then the monster's goal should be to not let them cast it out of combat if possible. Y'all, this isn't a problem if you react intelligently and creatively.

Unless your campaign is, like, one constant fight against well-coordinated enemies, it's pretty hard to reasonably interrupt a minute of downtime. The healing isn't happening on the battlefield; it's happening between fights, after all the enemies (or PCs) are dead or fled, and there's no immediate threat to life or limb.