Everything that is happening with this administration is simply because it suits American foreign policy or the interests of one of the oligarchs. I mean this with absolutely no hyperbole: the pretense of there being any rule of law for the ultra-wealthy is gone. The White House is openly selling pardons, which have the added effect of cancelling out debts to the US government.
Tiktok getting banned? It had nothing to do with "national security". The government simply had less control over the content and the algorithm on Tiktok than they do on Meta and Google platforms.
Reading through this article, you have Microsoft pointing the finger at TP-Link. That's... rich. Becvause Microsoft has historically been horrible for security. It would take further investigation but I really wonder if TP-Link isn't just a convenient scapegoat.