They can be fine. If they were properly undervolted and cooled. It's still a gamble.

After the last controversy around him, I'd take everything they release with a huge mound of salt.

Linus Media Group's main goal is to maintain their break neck schedule of releasing content, not to ensure 100% accuracy or that they've properly listed all caveats. Not to say that they don't care about accuracy, but that it is greatly eclipsed by their release schedule.