Topics the CCP doesn’t want discussed. Tibet, Tiananmen Square, etc. It also says some restrictions can be bypassed by asking the question in a less obvious way.

This is sarcasm, right? Tell me it’s sarcasm. Mainland Chinese people are perhaps the least courteous people in the world.

I think you’re overestimating humans. Even if we actually attempted to solve all of our problems I seriously doubt we can. I do wonder how much better things could be though.