Human mind can't calculate and act according the the true cost. My colleague once estimated that rather than supporting old smartphones for a tiny percentage o

Human mind can't calculate and act according the the true cost. My colleague once estimated that rather than supporting old smartphones for a tiny percentage of existing users, thus wasting expensive engineers wage to workaround the old browser bugs, it would be cheaper to just give a free new smartphones to all existing users who still use ridiculously old smartphones. So the engineers can spend their time on more fruitful bug fix and new features that may increase the users.