While this is common wisdom on software teams, and it’s good rookie advice, it’s also good to know if people are feeling the need to shout “I told you so!” on a

While this is common wisdom on software teams, and it’s good rookie advice, it’s also good to know if people are feeling the need to shout “I told you so!” on any kind of repeated basis. It’s not only a sign that there’s something wrong with the proclaimer; it’s a sign that there’s something wrong, period. Maybe the team isn’t listening to well-reasoned arguments, or maybe there isn’t any way to get good enough data to make a decisive argument ahead of time, and the team should listen to its individual members’ intuition more. In the absence of objective* data, intuition is actually quite valuable and it’s important not to discount it. * objective is key, because if there’s too much data, you can find some that says anything you like.