Trader Joe's doesn't want customers who spend a ton of money buying in bulk at full retail price. Furthermore, they clearly have no intention of expanding into a large market that desperately wants them. What kind of business is this?
TJ's clearly had a opportunity - there's pent up demand for TJ products in Canada, but instead of investing in a couple of satellite stores in Canada and some bilingual labeling, they chose to spend their money on lawyers and lawsuits.