Damn. I didn’t realize. I have had it recommended by a doctor for mild sinus infections along with an anti inflammatory and it seemed to help, but I must admit I didn’t check any studies. I will say that the few I did find were about coughs, which could be different
The claims I’ve seen are that search results are censored. Like if you search for specific phrases like “Trump fraud” you will get back videos in every country except the US (unless you use a VPN). I haven’t tested this yet, but I have seen videos on TT where liberals and leftists are complaining about it and about the all the Trump dickriding around the ban. The people in my feed are now very distrustful of the app and are looking for alternatives.