Maybe if we were to re-employ horses in the economy we just need horse/AI centaurs (with waldos[0] based on lip/tongue manipulation)? They've got plenty of sensorimotor and perception skills (consistent with more cerebellum); just a little low on natural reasoning ability (or for that matter, any prefrontal cortex).
y recognizing a face
y moving around in space
y judging people's motivations
n catching a ball[1]
y recognizing a voice
n setting appropriate goals
y paying attention to things that are interesting
y perception
y attention
y visualization
y motor skills
y social skill[2]
[1] horses can enjoy matching velocity vectors with a struck ball, but are not into catching as dogs[3] are
[2] at least those sufficient for a feudalistic society, anyway...
[3] recall: Warren Teitelman eventually gave up on computer DWIM in favour of agility dogs