Will you seriously argue that cycling to and from work 5x2x10 or 5x2x15 minutes has no health benefits? That's more added time moving than many sedentary people

Will you seriously argue that cycling to and from work 5x2x10 or 5x2x15 minutes has no health benefits? That's more added time moving than many sedentary people get at all. Reaching aerobic thresholds for over 20 minutes is only one mechanism of how moving helps your body. Should I forget about taking the stairs unless I work in a skyscraper? Should I ditch walking?