Obviously, it is that a political opponent of the administration is facing life in prison seemingly for being an outspoken critic of the administration.
He isn't a political opponent, he isn't a politician. He met with high-ranking officials of a foreign nation and lobbied them to take action that he believed would harm China and lead to a change in government.
I also wouldn't call him outspoken critic either. For obvious reasons, the main one being a level of economic development unknown in human history, there isn't very much to criticize outside of politics. His gripe is solely political in that he believes that a different system of government is required (one assumes with more input from people like himself, again though he isn't a politician and, afaik, has no real political positions apart from supporting Trump and NY Post-style sensationalism/xenophobia, iirc they created a meme depicting mainlanders as locusts...it is quite funny to see people who, I can only assume, are not massive fans of Trump cream themselves over the Chinese equivalent).
Obviously, it is that a political opponent of the administration is facing life in prison seemingly for being an outspoken critic of the administration.