Nah, Tiktok got popular not just because of the Algo, but also because of the creator fund which makes the Algo rich with good content. Since they stopped that 2 years ago Top creators (different from influencers, who make money from advertising/sponsors) are moving to first Instagram Reels and now Youtube Shorts because that’s where the money is at. Any firm who wants can build an audience by paying creators. It takes time though, because the creators have to convince their audience to switch.