It's how we have done it in the states for a long time. Is it actually better (or less safe as the folks in the article maintain)?
Apparently only some have done that: United Shifts Two-Crew Cockpit Policy on Certain Boeing Jets - WSJ
Interesting Denti. As a general rule in the US it has been a mandatory for over a decade. United must have been able to carve out a deal for some of its planes from its FAA designated Principle Operations Inspector. First of its kind I've heard of, but there might be other limited examples as well if this one could happen.