I’m in basic agreement with all you say.
And, yes, IMHO, step one is being aware of the way our evolutionary history shapes our perceptions and reactions. At least enough to take a pause and think about it either singly or collectively before taking action. Hey, if it wasn’t for those nasty Thems and their knee-jerk responses, things would be better:-)
I always envision Kant as a brain bobbing up above the crowd like a helium balloon. The concept that a mother performing from duty is superior to one acting from ‘motherly-instincts’ points out the limits of his analysis. Duty-not-love moms would produce a bunch of fucked up children. I know some of them.
Will definitely check out the essay you recommend.
I don’t, however, think he’s even close to being the first to propose a universal humanity. Just to take one example, Buddhism’s ‘second turning’, commonly called big boat Buddhism focuses on the enlightenment of all sentient beings of which humans are a substantial subset.