Journalists are arrested in China purely because they criticize the government. Can you provide a case in China where a journalist stole troves of information and published it?
Here's the wording of the HK-specific law: "The Hong Kong Special Administrative Region shall enact laws on its own to prohibit any act of treason, secession, sedition, subversion against the Central People's Government, or theft of state secrets, to prohibit foreign political organisations or bodies from conducting political activities in the Region, and to prohibit political organisations or bodies of the Region from establishing ties with foreign political organisations or bodies."