as per the articles, the investigation that yielded guilty pleas for price fixing was 20 years ago, the current investigation has had no results so the CBC is just narrative churning there. that the "hero pay" was coordinated hardly amounts to wage fixing unless you are litigating like a union rep.

Food prices are absolutely driven by costs, there is no other basis for them.

Loblaws is a luxury retailer with a limited set of stores and hardly counts as competitive. When someone complains about margins on certain products, ask them to explain complementary goods to you. This project is theatre for people whose understanding of economics ends at monopoly and scrooge mcduck.