Yes the movie was vaguely inspired by the science.
The AMOC has been studied for a long time, including the effects of its possible weakening.
Where the movie is firmly in fantasy land of course is in the timeline, where the effects are nearly instant rather than likely over decades in reality.
> Yes the movie was vaguely inspired by the science.
I.. _sigh_, my comment was satire I'm well aware of the "science", the modelling, the failures of large amounts of models, the ones that work, the...