...what if someone else (someone else as within some other member of the CCP) came to power who doesn't like free speech, they could use this against free speech.

They can and do. Free speech is a bad thing, especially in a nation under siege from the Great Satan. I especially want you and people with your views to have their free speech suppressed.

Now you may say: that's not as bad as some US police brutality, but that is because in the US these things actually get investigated and the officers that did wrong at least sometimes get what they deserve.

Unironically believing this . It took over a year of protests and riots all over the Great Satan to get one (1) pig to get anything more than a slap on the wrist!

first: they know less about you than the CCP does about a chinese citizen

Fake news.