Doctor Hubert Hypothetical invents a working teleportation device. It can be used to transport anything from a single hydogen atom to an elephant and it’s absurdly simple to use, due to the built in targeting system which is managed by a superintelligent, benign AI.
So if you teleport a teapot, there’s no danger of only sending half of it by accident (unless you explicitly want to) and no risk of rematerialising it in the middle of a wall (unless you convince the AI that this is a fine idea) the AI even checks if you want to teleport just the teapot, or the tea as well.
However there are some limitations. It can’t be reliably used to teleport living things - the aforementioned elephants either turn up physically intact, but dead, or occasionally alive but thorougly evil, and the AI just won’t do that any more. No amount of arguing will change this.
So, obviously, the shipping industry is significantly impacted, but the tranportation of humans not so much (vehicles can be tele-fuelled on the move, vehicles can be repaired without significant disassembly etc, but people can’t be teleported).
There are no free lunches. The teleporter is very efficient, but does not violate conservation of energy - lifting something to orbit is still costly (cheaper than a rocket though, probably) and rearranging CO2 and water into hydrocarbon fuels costs more than you get back out of it.
All this is another way of saying:
Don’t fight the hypothetical, and
What nonviolent, creative uses could we find for materials teleportation technology, within these stated limits?