Assuming you are US citizen, you should be worried about USG, not CCP. CCP having your data could rarely hurt you, unlike your own government. So gemini, chatgpt and so are more dangerous for you in a way.
Central EU citizen. I don't know, I am not naive about US and privacy, but as far as I know, US's motivation is mostly profit, not growth at absolutely any (human) cost, human rights repression, and world dominance.