To be fair isn’t this probably the case with just about every laptop? Kit it out with some crazy totally impractical cooling setup and you can squeeze out a bit more performance. Even after all the craziness they edged out enough performer to detect it on a stress test but probably not enough to materially impact user experience.
This video sort of misses the point that real-world design is balancing multiple factors, not just over-optimizing one factor at the cost of others.
People don’t buy a MacBook Air because their looking for the fastest processor performance processor. That’s not the point of the product or the market it’s made for.