The hundreds of thousands of peaceful protesters had no masks. The small group who vandalized the Legislative Council wore masks because they knew they were breaking HK laws. Indeed, they would be arrested and charged for such actions in any country, including colonial HK, UK, or US.
While there are plenty of reasons you may dislike the behavior of the Chinese government, I don't think this is one of them.
On another note, I'm not sure why you would admire one of the very few violent extremists who embarrassed the otherwise peaceful HK democracy movement. Just because an extremist is willing to risk jail sentence by revealing his face, he becomes a hero?
While there are plenty of reasons you may dislike the behavior of the Chinese government, I don't think this is one of them.
On another note, I'm not sure why you would admire one of the very few violent extremists who embarrassed the otherwise peaceful HK democracy movement. Just because an extremist is willing to risk jail sentence by revealing his face, he becomes a hero?