Healing aside, throwing potions effectively lets any PC cast Haste, Invisibility, Sleep etc... None of these effects require concentration, saving throws or even line of sight. Throwing potions seems entirely divorced from the rest of the 5e system.
It seems like wild throws are a bug, not a feature. Which means that, though I can choose not to throw potions, there's nothing I can do to avoid getting peppered by inch perfect half-court shots.
