Deep cracks at the top of CCP

Former Premier Wen Jiabao had supported protesting students 30 years ago

In April 2021, the CCP effectively banned an article by former Chinese Premier Wen Jiabao.

This is a big deal in many ways. But what are the coded messages that the article convey and attracted such dramatic response?

There are at least three, each of which is powerful stuff. Lets take a look in turn.