When you get trained as a Chartered Engineer/Surveyor/Accountant/Purchaser etc you get schooled in ethics, professionalism, whistle blowing, how to deal with being unfairly pressurised etc. Never mind Newton, professional standards would have really helped here.

yes, and instead of numerical values that can be corrected with straightforward mathematical techniques, you have contracts (API) that are either broken or not, and theres nothing you can do about it, i mean unless you want to write thousands of extra lines of code to account for every combination of the lower layer misbehaving