Oh, and should there be any doubt: as the headline of a Wall Street Journal article out today states, "Hong Kong Arrests Show No Letup in Beijing-Driven Crackdown on Dissent". And as is noted in the article itself: "Protesters have largely stayed off the streets, but the arrests have continued. At least 17 people were arrested during the past year for posting online content that was deemed to be a threat to national security."
This even though the "vast majority of opposition figures and activists have either been
locked up, fled abroad or moved into jobs that don’t involve politics
after the advent of the national security law." As more than one person has observed: now that a national security bureau has been established, and so much money plowed into it, its personnel are going to have to justify their existence -- and the most obvious way to do so is to find more people to accuse of being threats to national security, and arrest! And as we have seen, we've now come to the rather surreal point where the targets are... housewives active on social media!