Just because the customer isn't the end user doesn't mean they are some disinterested party. Often they are writing requirements that the end user doesn't even

Just because the customer isn't the end user doesn't mean they are some disinterested party. Often they are writing requirements that the end user doesn't even care about, because this software has to fit into the existing software ecosystem at the megacorp. Stuff like LDAP, SAML, and ERP integration. And also provably meet corporate standards, and work on the corporations reference hardware architecture, etc.