Unfortunately it's very unlikely this will spread to the mainland. Much different from 1989, 100% of mainstream media in the mainland is heavily censored. They have been brainwashing the last two generations for tens of years. If you go weibo (Chinese version of Twitter) you will see the majority of mainland Chinese think the unarmed students were extremely violent and the police should shoot them.
The CCP has been doing very good at creating class conflicts and isolating enemies.
The CCP has been doing very good at creating class conflicts and isolating enemies.