Software is a big graph of interlocked rules. And if you can grasp the whole or the part you own (and you should be able to), it's often very easy to see the control points. You don't have a coding bottleneck anymore, you have a communication bottleneck[0]. Which is an organizational issue, not anything relevant to engineering.
[0]: See Naur's Programming as Theory Building and Brooke's Mythical Man Month.
Sometimes AI overdoes things and it re-runs the whole testsuite because the tail command didn't have enough lines, but the other way round messes up the context so much so that in the end all that context is useless.
If you are working on a seriously large legacy code base, I can see how you'd get to >$250 on a bad day.