Walmart's brand of corporate Koolaid also happens to be good for customers, as that's their market differentiator.

Not great for Walmart's employees, though. Which is similar to many objections against using Amazon.

(No moralizing here, though... I use Amazon pretty frequently, even though I know how poorly they treat their warehouse employees and delivery drivers.)

Infinitely better for Walmart’s employees than Amazon is for its employees…

Kind of - Walmart stuff is lower quality so while it’s cheap at the time of purchase you buy more frequently and spend more long term. Many people can’t afford to do otherwise but I’m not sure I’d describe it as good.

Compared to what? Amazon has just as many or more knock off products and every Amazon basics product I've tried has been worse by a wide margin.

They both sell make brands as well.

Not saying I do... it sucks in general and is largely a race to the bottom in every case.