Bitcoin cannot be manipulated by one person i think because it is large system that it will be needes many experts to control it not by one person called peter. Bitcoin is a currency and the currency controlled by government or digital ecosystem.
I believe that all these statements and predictions should be treated with caution, since everyone was silent on the eve of the halving, but they began to predict a lot after it and right now, when a real bull run is celebrated on the cryptocurrency market.