A few reasons. 1) Easier to teach if you can demonstrate. 2) Super awkward twist on skiis if you are holding the snowboarder to help them balance while moving down the hill.what about skiing for yourself?
Thankfully, it should only be an hour or two more before they can balance semi-comfortably and they don't want to grab onto someone. We mostly got there heel side yesterday. This kid can be good but gives up mentally long before they reach their physical limits. That slows the learning curve substantially. I'm not looking forward to the first time they catch a downhill edge and get slammed.
Wife is snowboarding today and I am walking again. That should be funny. She was marginal the last time she boarded a decade ago. She swore she was done with boarding but kids have super powers to get parents to do things.