>There are a bunch and they are very easy to find.
Really? Because the U.S. government, in their own court filing, have openly admitted that there is no evidence of TikTok's wrong doing in terms of manipulating information.
I don't think it gets much more authoritative than U.S. government's own court filing.
The link you provided has been debunked over and over again. It was a paid-for study aimed to generate certain conclusion.
And its methodology is silly at best, insane at worst (uses U.S. social media company as a control group for neutrality on China lmao).