Doing one thing once is easy. Do it ten times. That’s harder. Do it ten times each for ten people at once. That’s a lot harder. Do it ten times each for ten

Doing one thing once is easy. Do it ten times. That’s harder. Do it ten times each for ten people at once. That’s a lot harder. Do it ten times each for ten people each across ten different cities in ten different states in ten different countries. That’s much, much harder. It’s the “Wheat and Chessboard” problem all over again (see https://en.wikipedia.org/wiki/Wheat_and_chessboard_problem https://en.wikipedia.org/wiki/Wheat_and_chessboard_problem ). The fundamental problem here is one of scale.