Yes, his silly "hands up if you find this more readable" breaks down if you now have two checks at the beginning, and the "rest()" part carries on for more than

Yes, his silly "hands up if you find this more readable" breaks down if you now have two checks at the beginning, and the "rest()" part carries on for more than one line. Then you're carrying around two extra levels of indentation and cognitive context, for what exactly?