Did you read the opinion? It did its analysis as requiring some level of scrutiny because of the free speech implications under intermediate (and in Sofomayor’s concurrence strict) scrutiny. It held the national security concern outweighed the free speech concern but it absolutely did not say it was relevant in the analysis.
“ At the same time, a law targeting a foreign adversary’s control over a communications platform is in many ways different in kind from the regulations of non-expressive activity that we have subjected to First Amendment scrutiny”
And the opinion talks about foreign adversary, those exact words, at least 30 times. It mentioned freedom of speech twice
