Hokkiens should be with hong kong protestors. Hokkiens and hongkies sounds similar. Both hokkiens and cantonese may end up with a free state of their own.
He is correct lah. 东北 people who go to HK and work. Mostly from Jilin and Liaoning and other bordering towns near North Korea. You see a lot of them working in South Korea and Japan too. Korean is their dialect.