[Qwertious]

They don't get points for putting it at the top of the article - all they're doing is correcting their own misleading title.

And yes, I say misleading. Technically true but misleading, because their omission is absolutely critical to the nature of their breakthrough and as you implied, anyone who knows the first thing about room temperature superconductors will want to know if the material has a drawback stopping it from functioning outside of a strictly lab setting.