Are we assuming that everyone is always going to be biking with no other options? I don’t think anyone is even advocating for that.
BUT WHAT IF YOUR LEGS ARE BROKEN? WHAT IF THERE’S A NUCLEAR WAR???
The people who seem to think that biking is an untenable option because you might have to very occasionally use other modes of transport make me wonder if that mindset comes from the fact that people feel that it’s normal to only use one mode of transport pretty much ever, because that’s how many people are with cars.
High tariffs and other economic sanctions would essentially be just that, but like another comment said the west isn’t ready for it.
We’ve managed to entangle our economies too deeply with cheap Chinese production, so actually sanctioning them would be painful to say the least and they know it