The cost of adjusting is a one time expense, whereas the objective benefits offered by a good redesign continue to provide new value for as long as the new desi

The cost of adjusting is a one time expense, whereas the objective benefits offered by a good redesign continue to provide new value for as long as the new design is in use. I see your argument as one against frequent redesigns, not one against redesigns in general. If you change up your UI every 12 months, even if each iteration is technically better, you are causing problems for your users. Wikipedia's last redesign happened 12 years ago.