This goes directly against the prevailing policy frameworks of western governments, as well as the current media zeitgeist, which the majority of the population has bought into.
So, I don't think anything like deglobalizaton is possible unless populist leaders have a comeback.
Western leaders then are in a state of contradiction "Climate change is an existential threat, yet we must continue the frictionless global movement of goods and people"
the warming is already locked in, we will break it by 2030 even if the entirety of humanity died tomorrow.
Indeed. Probably even 2ºC is already locked-in if we consider feedbacks and climate lag.