I would respectfully disagree but arguing that Chinese "liberals" are cunning and happen to he a powerful minority occupying well-paid positions in China's economy. They tend to be in the finance and real estate sectors, while some of them are intellectual teaching in party schools and political science/economic professors in universities (which used to be where lots of liberals use their Party memberships to hide their beliefs). It is true that they are in the minority in China, but the past 40 years of economic development gave them plenty of opportunities to occupy influential positions in trade, property, and academic positions to spread their influence. You can think of them as many Yeltsin gangs within China's political-economic structure. One last thing, they tend to send their families abroad, so just in case they get in trouble (due to corruption, political struggle, etc.), they can always move abroad. Therefore, they have little to fear when opposing the CCP. They are much more affluent and well-connected then Joe average PRC citizens. Many of them are party members, sons and daughters of high-ranking officials, and could have bought their business influence through nepotism/kleptocracy/corrupt connections. Their power inevitably grew out of China's market economic reform (thus, it is unwise to eliminate them or completely shut them up), but the CCP has so far prevent them from setting the dominant narrative and agenda.
To recap, these individuals aren't ideologically "liberal", "democratic", or "pluralistic" by heart. In fact, they are most social darwinian and outwardly abrasive folks you can find among mankind (it is every difficult to have a conversation with them since they always seek to lecture you about how legitimate they are and superior to other Chinese), but liberalism (especially if the CCP were to undergo a chaotic collapse) could at least legalize their ill-gotten wealth and corrupt dealings.
If one day China were to become a liberal democracy, I honestly do not see much hope in these folks becoming an honest opposition beneficial to the country's democratization. These folks are more than happy to collude with foreign capital to buy up China's national assets are below-market price and hollowing out the country (like Russia in 1990s), turning the country into another semi colony.