This is weird "When I blocked Google, the entire internet slowed down for me, because almost every site I visited was using Google to supply its fonts, run its

This is weird "When I blocked Google, the entire internet slowed down for me, because almost every site I visited was using Google to supply its fonts, run its ads, track its users, or determine if its users were humans or bots." I think it should be opposite - all websites should speed up. Why am I wrong?