Thank you very much for the question.
For one thing, it's not a constitutional principle. The phrase “one country, two systems” is a political statement. It's a political statement that Xi Jinping has simply decided to reject. He's given up on this principle because that's no longer his goal. The real goal is now the annexation of Taiwan.
On the other hand, if Taiwan is annexed, it won't be to let Taiwan be an autonomous region with a different regime, a democratic regime. In fact, it will be to make Taiwan another Chinese province.
Like my colleague Joseph Wong, I am very pessimistic about this.
If we were in another reality, that is, if Xi Jinping were to resign, if he were not to return as leader of the Communist Party, people would wonder whether that would result in a reform process in the party. That would be the ideal scenario, but there's little chance of that happening.