I had not heard about this, but the title reminded me of a 90s UK travel show based on a similar concept, "The Dice Man" [0]. The host asks strangers for alternatives and throws the dice to decide what to do / where to go
The dice method lets you remove yourself from this difficult final decision -- and since the decision you're now reluctant to take is now just 1 in 6 or 2 in 6 or such, and you include safe options too (e.g. "do nothing"), it's easier to write them down (you still feel like you have a way out through the dice when you're writing the difficult option down, as it might not come up).