I tend toward his side regarding the big corps, but those like in agriculture and meat processing where only the illegal immigrants will work for those wages. I'm against those companies, but control of the borders as well enforcement to prevent hiring illegal workers is the solution. Consumers are partly to blame through insistence on artificially low prices and the convenience of shopping at the biggest stores. Buying a few steps closer to the farmer is better in all respects. I don't think those workers are the homeless though.
I don't feel sorry for those treating jobs that used to be done by part time students to be a career choice, such as working the counter at a fast food joint. Demanding a wage that can support a household isn't reasonable to me. Maybe a really good barrista can make good tip money, but have some self respect and don't make a career of it.
The increase in homeless problem tied to Covid19 is the fault of state and local governments' unconstitutional edicts that are killing small businesses. Assistance helps but can only be temporary. Loosen the rules so small businesses can reopen and encourage consumers to shop with them to erase the gains of the likes of Amazon and Walmart. There's no sane argument that customers and workers are less safe at a small business as long as they don't spend much more time out in public.