Granted in practice, but my point is that engineering should care. If you've got nice insulation from your customers, how do you even know what you built is wo

Granted in practice, but my point is that engineering should care. If you've got nice insulation from your customers, how do you even know what you built is working? I've seen too many bizarre real-world failure cases and complex systems-on-systems to trust that my metrics are capturing everything that breaks.