When an agent struggles, so does a human. There is a lot of code and tooling out there which is objectively not good, but because of one reason or another became dominant. If you want to start paying attention to technology choices or you want to start writing your own libraries, now you can use agents to evaluate the developer experience.Because so can your users. I can confidently say it's not just me that does not like Xcode, my agent also expresses frustration — measurably so.