These are just games designed to avoid some estimation biases. The problem with biases is that one still can be caught by them even if they're aware that they e

These are just games designed to avoid some estimation biases. The problem with biases is that one still can be caught by them even if they're aware that they exist, so such games might have some value. An alternative would be to explain what the biases are and address them in each estimation round. But who does that really? We've settled on playing games, which can seem childish at times.