Extremely cool article. Only one point I disagree wih with

Many people assume that handcarts go on the road, with the cars, or on the cycling path. That’s not the case: you use it on the sidewalk.

Jean Merrill documented The Pushcart War about this exact allocation of road space. Push carts belong on the road, don't let car propaganda tell you otherwise.

Caveat: i say this from a systems perspective that cart SHOULD be on the road. Not a personal safety perspective where one might want to take the sidewalk.