MrBeast videos do not get better if everyone uses perfect spelling and grammar. They get better if people figure out and then execute kind of crass but extravagant “wow” moments.
I'm not saying I like Mr Beast or this document, but it seems extremely obvious to me that this document is the way it is very intentionally.
The specific sentence offers relatability and a (perceived) degree of honesty. Stating the obvious isn't always bad — it often builds empathy and connections.
In my opinion, he is not at all trying to shield himself from criticism, he is building a connection with the reader.
We are not machines.