> Then TikTok came along and it's kind of disproven that?
TikTok is the epitome of content augmentation through engagement. They literally will push more and more of what you're engaging with. Their algorithm is highly optimized to put you into very deep rabbit holes of content.
During the BLM protests you could see two very different feeds depending what content were you liking and engaging with. After a few minutes of browsing it would literally feed you only pro-BLM or anti-BLM. No middle grounds.