When applying the doorbell in the jungle pattern, it's often easier to say what failure looks like than success.
What's the worst case if this idea doesn't work?
A very small, capped amount of opportunity cost.
What's the best case if this idea works?
Potentially uncapped upside.
Capped things are easier to estimate than uncapped things.
The average of a capped thing is useful; the average of an uncapped thing is meaningless.