They really haven't yet. The concept is that reusable rockets will be cheaper than soviet era single use rockets.. eventually.
On a surface level it makes sense, taking a rocket refurbishing it, and refueling sounds cheaper. But its not. Not yet anyways. Too complex and expensive presently.
It's hard not to become numb to this all. In grade school I was taught that oil consumption was killing the world.
A decade later its still the case. The more i read into it the more i realise it was always the case.
Oil companies want to burn the world. Theres nothing more to say.
I don't belive the legal system is capable of resolving climate disasters. This leaves two options counter-terrorism or climate induced decimation of a majority of the populous.