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.
The nature of the dialectic is for it to continually and fluidly evolve, every now and then contradictions mount to a point of qualitative change and give rise to a new system that resolves the contradictions of the last, but gains new ones. It never ends. Marx only said, capitalism will bring about socialism, which will in turn bring about communism. Everything after that is too far away to really make any concrete statement that isn’t grossly biased by the conditions of our time.