It should be, agreed, but you'd be shocked at how many CS degree holders can't do it. That's the thing with a lot of the nightmares in interviews. They're there

It should be, agreed, but you'd be shocked at how many CS degree holders can't do it. That's the thing with a lot of the nightmares in interviews. They're there because there is a huge number of people who apply, lie about their abilities, and need to be filtered. It's also incredibly difficult to fire poor performers in most modern companies, so managers are very touchy about who they hire.