[xnx]

> won't backup or turn to get out of the way.

This seems surprising. As far as I know all these carts are controlled remotely in real time.

[eloisius]

Remote controlled by people in faraway LCOL places where they may not understand or be trained on Western disability norms, but are certainly incentivized by how many deliveries they complete.

[solid_fuel]

I think it depends on the robot. The ones around here seem to be semi-automatic and seem to get taken over by a human when they're blocked, but it often takes 5 or 10 minutes before that happens.