@d_feldman Universities do demand professors also teach; and software companies do have their employees doing their "day job", but the salary also implicitly pays for their intellectual explorations.
I've explored this analogy in slightly greater depth in https://t.co/HE8f7lbzGQ
@d_feldman Just like academic tenure: in purely intellectual fields, the best people are driven by innate intellectual motivation, and do their best work when granted absolute creative freedom. Universities/software companies benefit from letting them run free rather than micromanaging.