Are doorknobs problematic?

Are doorknobs problematic? Apparently, they are in Vancouver, Canada. Starting from March 1, 2014, wrist-twisting doorknobs will be banned in all new construction, even in private homes. According to Viviana Zanocco, a city spokesman, doorknobs will be replaced with levers to “make it easier on seniors and those with disabilities.” The city decided to change the building code in September. Howev..