It's a youtube persona. One of the most effective ways to increase your chances of success in modern media is to be loud and emotive. It's way past trend phase and is now endemic on all platforms among content creators who hope to have any younger viewers.
My concern is that people will actually start acting this way in person every day. I've known a few people that are larger than life over the top whenever they do anything, but they luckily have been rare. These type of people would definitely make me refuse to RTO if my coworkers were like this.
