[p_l]

We did not grant human exemptions in copyright law.

We gave certain temporary monopoly on certain uses to humans under rules little understood by laymen even if their livelihood depends on it.

[gspr]

... and from that temporary monopoly humans have exemptions (critique, inspiration, etc.)

[p_l]

It's generally less an exemption and more a constraint on the monopoly, at least in spirit of the law