It says in the description that this is a version with minimal changes that exists because uBlock is not available in China. It looks like the source is located here: https://codeberg.org/lanticy/cBlock

I wouldn’t use it if you have the ability to use the original uBlock, but if you have no other choice, this looks plausable.

Oh, no, Russian government ends up leaking each and every piece of information it has for 50 rubles per person through sheer incompetence. So, you are both flying out the window and getting your data sold.

Depends on how you rate Putin reading your messages against Zuckerberg reading your messages.