Agents read the docs. People don't. That's the underlying reason.

> People don't.

People falling all over themselves to write docs for their pile-of-linear-algebra-with-a-smiley-face-painted-on-it [0] don't read the docs, no. People who give a shit about writing solid software that doesn't get them paged at three in the damn morning do.

[0] The face is there to provide social-trustworthiness signals to engage the human pack-bonding instinct, natch.