And my personal investment in the crypto doesn't change because I introduce anyone to it. There's no direct bonus for me to bring them into Bitcoin.
Wrong.
Bitcoin has used signature campaigns, faucets, referral bonuses and more to directly reward each person that brings someone else in. This is the exact model used in Pyramid schemes. Each new sucker that buys bitcoin for a higher price than you paid, directly pads your ROI. So there is 100% a correlation between recruiting new investors and the rise in price of bitcoin