The problem lies more in #2 than #1. It's fine to repurpose words in new domains, but there's zero guarantee that translates back into anything useful about the original domain.
As a former perceptual neuroscientist, I can assure you that ML "attention" has very little to do with biological attention.
As a former perceptual neuroscientist, I can assure you that ML "attention" has very little to do with biological attention.