Selling expired products 2016!!!!

I am utterly disgusted I purchased simply chicken crispy bakes on the 29 of July and today I take it out the box and defrost it and I get this terrible odder to my surprise it was expired 26 December 2016 I am really ****ed off of nothing is done about this I will put this on social media. I spend thousands of rands every month In the checkers gateway branch and this is the **** we receive