primarily because both context switching and progress builds upon itself so stopping & switching has more impact than those 5 or 10 minutes suggests. (ie. you can stop a car from rolling down the hill with just one finger if you do it early enough but in reverse).
also standup meetings have a way of getting longer and covering more ground that what was initially planned for. (ie meeting mission creep)
primarily because both context switching and progress builds upon itself so stopping & switching has more impact than those 5 or 10 minutes suggests. (ie. you can stop a car from rolling down the hill with just one finger if you do it early enough but in reverse).
also standup meetings have a way of getting longer and covering more ground that what was initially planned for. (ie meeting mission creep)