Capitalism isn't an collective, rational consciousness between peoples (although it might be a transition towards that). It moves and develops more or less predictably according to the laws laid out in Das Kapital.
If some companies want to do degrowth to save the climate, others that refuse to do so will simply overcome them and absorb their capital.
Let's see how the "rules based world order" pans out now
(We'll at most just see bibi get thrown to the dogs though, while the genocide goes on anyway)