Microsoft and the US government are at least more of a "devil you know" than China I'd say. Obviously far from ideal, but cutting off the CCP's direct access to the personal data and impressionable minds of millions of young people seems a pressing matter to me.
I mean ultimately my hope is that this dumb fad app's relevance just passes in 1 or 2 years. But considering how we've seen similar such abusive, shallow apps have long term success, that may be overly wishful thinking on my part.