Sure, there is propaganda and attempts to influence certain topics, but I wouldn't want to give up privacy because I don't like some content on TikTok.
I think the divisions are of domestic origin and this argument is more or less FUD.
And no, you will hardly ever get rid of surveillance powers once established without serious political shifts.
Propaganda messages are quite easy and public. And yet I don't think you can name a single instance where such a message would have influenced the beliefs of a significant portion of the domestic population. If so, which message, what topic and who was targeted?
I think an example of propaganda is that you need to give up your freedoms for security because of "disinformation". A wrong statement on the internet became a threat to democracy.