The commenter above was comparing working environments in Trader Joe's (a US only store), Costco (majority US), and "Aldi". The logical assumption is that this comparison is with Aldi US.

It would be strange if the commenter was comparing working environments in specific store franchises across countries with completely different labor markets. Furthermore, why would they specifically compare Trader Joe's to German Aldi in North Germany?

I am certain that the above commenter was comparing Trader Joe's to Aldi Süd and specifically their US subsidiary. These two brands are not the same company, despite Aldi's naming quirk.