The current situation over in China still allows internet users to easily access services like Facebook or YouTube through VPNs, it was more of a measure of digital protectionism to allow local development of IT companies, online business, etc. If China wants to do similar censorship in response to these measure, they very well could still crack down on VPNs.
You might look into the apps they have already banned.
They were blocking the bulk of the internet via their great firewall before mobile apps were even a thing
The current situation over in China still allows internet users to easily access services like Facebook or YouTube through VPNs, it was more of a measure of digital protectionism to allow local development of IT companies, online business, etc. If China wants to do similar censorship in response to these measure, they very well could still crack down on VPNs.