Shift Patterns.
Grizzler you are luckly you can afford to go to Sainsburys and Tesco,try budgeting that is what the companies are doing trying to keep people in work, it must be a real hardship having your hours changed at least you have some hours to change. (unlike 2 million unemployed)
There were always going to changes when Menzies took over they have to make a profit and give a good service in order to keep the contract and keep people employed.

Bullying get in the real world,ask all employees at the car companies on short time and having to put with pay cuts what they think.