Partially because they think that once employees put enough context and rules into markdown files they can be fired and replaced by an online subscription.

I'm not convinced that's happening, any good evidence that it is?

The impact of AI on jobs appears to be more in terms of hiring slowdowns: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=5425555

> Following adoption, junior employment declines in adopting firms relative to non-adopters, while senior employment trends remain largely unchanged. This decline is concentrated in occupations most exposed to GenAI and is driven primarily by slower hiring rather than increased separations.

I used to go above and beyond and take pride in writing decent/good documentation for my team and have gotten a lot of compliments about them.

But I've started to deliberately constrain myself because of what you describe. Sure, I'm not convinced that it actually come to fruition, but just the realization that this is what they're daydreaming about makes me sick so I've forced myself to only do the bare minimum or less now.