It's an interesting idea you propose. May I suggest that it requires more data, to draw conclusions. I see a myriad of confounding variables and alternative hypotheses:
- Sv3rige may have become more famous, hence perhaps, more arrogant and condescending.
- Sv3rige may have gotten angry with the results of his prior diet, and then, despite switching to RPD, held on to his anger.
- Sv3rige may be receiving positive feedback, on his channel, for this type of abusive behavior.
- RPD may increase testosterone, thus increasing likelihood of aggressive behavior. Evidence for increase of testosterone is my own personal increase in muscle definition and sexual drive.
- Like the other folks in the forum are suggesting, there may be a detoxification period.
- Anyone who is eating RPD has, to some extent, realized that society has been deceiving them. This can be a source of anger. This applies doubly-so to Sv3rige, who according to his videos, believes in a flat earth, illuminati, and other non-mainstream ideas.
Personally, I see myself as, a calm individual. However, I cannot claim that it has much to do with diet, since I am not prone to anger, generally speaking. However, my impression is that I am more joyful, especially when I am well-fed on RPD.