Imagine knowing that your people are fighting for freedom from CPC rule and mainlanders flooding into HK, taking your jobs and housing and driving up prices for essential goods. Then you get a group of obnoxious and oblivious mainlanders heading to HK on a luxury spending holiday demanding this and that from the flight hostesses.

Now imagine being an HK Cathay cabin crew member making not so great pay and living in the most expensive city in the world by far. This could be a tinder box for incidents like verbal assaults, jostling and shoving and if enough passengers get involved, it could transform into a real flight risk.

> is participation in the protest a reliable indicator for the likelihood of it

Humans are capable of many things right or wrong when they are desperate to get their message across. Doubly true when they believe their fight is for justice.