We've had third party software systems fail before because they check into the vendor's system asking if they were authorized, the vendor at that same time had

We've had third party software systems fail before because they check into the vendor's system asking if they were authorized, the vendor at that same time had a database issue which caused it to return false for us, thus taking down all of our infrastructure reliant on that system. So yeah, just because it explicitly looks for false doesn't mean it's a non-issue.