ByteDance is a Chinese corporation. The US federal government does not govern it and has no responsibility to allow a Chinese corporation to express itself in the US by publishing propaganda.
This is the foundation of reciprocal trade agreements:
We don't put tariffs on your cars if you don't put tariffs on ours. We don't ban your social media companies if you don't ban ours.
edit I should mention that using the Web service Deepseek provides will unceremoniously shutdown terms deemed to be too sensitive. Self hosted models do not appear to be as aggressive.
Wireguard also uses ChaCha20-Poly1305, but I am not sure it's relevant? I believe that attack is specific to SSH:
"The attack exploits weaknesses in the specification of SSH paired with widespread algorithms, namely ChaCha20-Poly1305 and CBC-EtM, to remove an arbitrary number of protected messages at the beginning of the secure channel, thus breaking integrity."
You're aware that there are two cuts of the movie? The US version was Taco Bell, and the international version was Pizza Hut. Both are owned by Yum Brands.
Here are the monthly communication reports: https://lobbycanada.gc.ca/app/secure/ocl/lrs/do/rcntCmLgs
There is also a statistics section available.