First you have to educate people of the potential benefits, then people must feel like those benefits outweigh the changes & efforts it’ll take to instill them, then it’ll be an uphill battle against all the corporations that have dug their heels into the systems in place preventing all said progress. If ever “viable”, I see it stemming out of necessity due to some catastrophe large enough to disrupt the day-to-day paradigm of most people, not by sheer will, sadly