In the era of instant gratification, there is no time to breath. Maybe you've caught yourself skipping a post without thinking. Some posts are just too wordy. Our brains filter it out nearly subconsciously. The result of this competitive hyper targeted content delivery is a severely shortened attention span. Thinking is becoming more and more painful.
Also, Ms. Rachel is very amateur at video editing.
Big motor means big conductor means exponentially less resistive losses. More volume to disappate heat. Big motor has more core laminations which means less reactive losses.
Big motor is very expensive.