I think there's also the risk of talking yourself into bad decisions with data as a justification. For instance, if you have a KPI to increase X, and making yo

I think there's also the risk of talking yourself into bad decisions with data as a justification. For instance, if you have a KPI to increase X, and making your UI harder to understand confuses users into doing X more often, from a data-driven perspective you've done the right thing, but you've made the product worse.