TikTok found all of those people very quickly, they famously don't use a public cloud provider. Infra isn't magic.
I believe this means they generated $500m for bytedance, but I can't find a good citation, bytedance itself generated $6B in profits though for the fiscal year 2022
https://www.statista.com/statistics/1342785/bytedance-key-qu...
No, but you're definitely dealing with the Arthur C. Clarke quote: “Any sufficiently advanced technology is indistinguishable from magic”.