[sandworm101]

>> 2. Any provision of content delivery network services enabling the functioning or optimization of the mobile application in the U.S.;

That's the big one. That would suggest blocking by ISPs, something that is technically not easy and legally troubling. Do ISPs now have to block the activities of Chinese phones traveling to the US? That will take effort.

[lgats]

I would not interpret this as ISP blocking, just no peering or CDN services by U.S. companies/servers.

[trillic]

They’ll just use edge locations in Canada

[sandworm101]

Canada and the US are pretty integrated. Do US ISPs need to block WeChat traffic that is transiting the US, say coming from China to a user standing in Canada or the UK? That sort of blocking could have serious impacts beyond wechat/tiktok.