why hong kong police did nothing in the 2016 mong kok riots?

why did the cops never use rubber bullets, lrad and tear gas in the riots?

There was generally no desire to turn hong kong into a battle ground. Much easier to let people protest then write down their names. Late, they are arrested for other things or just disappear.

That is NOT a riot, dont follow the commie rants spit by puppet CY Leung.

It's just a group of young people unhappy with CY and his puppet government who are selling out HKers' interests and welfare to China Corrupted Party people, allowing herds of ruthless, corrupted, greedy and poor Chinese to march over to HK daily to grab, steal, scam, rob, chop down trees and mess up everything in HK!

The Chinese New Year incident is a clear signal to warn Chinese Corrupted Party and commie puppets in HK must tighten up HK's borders and that CCP must leave HK alone, or HK to be independent.