Tiktok is effectively controlled by a foreign/hostile power though. One who has the nous to ban foreign social media from their own shores.

how is Murk Zuckerberg any less foreign/hostile to me as an american compared to tiktok owners? Neither of them care about me in any way beyond selling me stuff and making sure I don't talk about the things their masters don't want me to (palestine in US, other stuff in China)

Facebook allowed Russian interests to spread division through sponsored posts for years and even accepted rubles as payment until US sanctions were put into effect.

Unless the head of a corporation can be held criminally responsible, their nationality is irrelevant. The only thing theyre loyal to is money.