not crying
not a tiktok user
it would be unconstitutional (1st amendment) to ban a domestic company like reddit, he would need an excuse. foreign private companies operating in the US, however, don't have constitutional rights
there are zero examples of trump denouncing any platform or group of people that praise him (e.g. he refuses to say neo-nazis bad or david duke of kkk bad)
hundreds of thousands of other chinese-owned apps & software companies continue to operate in the US and have drawn no attention.
therefore I maintain the opinion that if the tiktok userbase was hardcore pro-trump, it would not be banned. until I see any evidence otherwise.