> Before LLMs, provided that your team did some of their due diligence, you could always expect to have some help when tackling new code-bases. Either a mentor, or at least some (even if maybe partially outdated) documentation. With LLMs, this is gone.

I love the conclusion. When no human holds the knowledge it is like the bus already struck everybody at the company.

I have worked in teams that share knowledge often and extensively. Anybody can go on a vacation with little disruption as other's can take the tasks. Everybody is happier and projects work better.

(If your first tough is that you can be replaced easily and you will be fired. Then you live in a dystopian class-warfare country where the owner-class will fire you because they enjoy making the working-class suffer. I am sorry for you, but have hope. That can be changed with good laws and employee protections.)