During covid a lot of people were isolated. I doubt anyone mainlanders wanted to risk life to confront the protestors. Note how docile Chinese mainlanders are when they travel around the world.
Where are the evidences of such government-sponsored activities? As I said, normal Chinese mainlanders usually don't have much impetus to confront others, even if they wholeheartedly stand against the counterparts, in this case, most mainlanders would be against HK protestors. Then these people are organized by CCP, then what are the evidences?
During covid a lot of people were isolated. I doubt anyone mainlanders wanted to risk life to confront the protestors. Note how docile Chinese mainlanders are when they travel around the world.