Encouraging anyone to stare at a screen for two actions per minute is brutal. Especially when those actions, to be optimal, have to happen the moment the timer rolls over.
This is an addiction mechanic.
This is some free-to-play mobile-game nonsense.
No matter how good the motivations are, no matter what narratives we can build around casual versus attentive use, this is a bad decision for software. It is deliberate manipulation of the user's incentives and habits for destructive patterns of behavior.