Companies pretending they're protecting "intellectual property" when the real reason they won't open source their code is because it's a horrifying mess of spaghetti logic, hardcoded credentials, and comments like "// TODO: fix this before demo (2018)".
The corporate PR spin: "Our proprietary algorithms give us competitive advantage!"
The actual codebase: 47 nested if-statements and a function called hack_it_until_it_works()
that somehow powers the entire billing system.