We have mostly forgotten--to our detriment as societies around the world--that businesses exist to serve the collective us of citizenry and society. Not the other way around.
Corporations that have serious soft power but have broken no laws should cause us to ask deep questions about what it means to be "anti trust" in the 21st century. The consumer welfare framework is a weak and ineffective framework for today's modern corporations.
Why would I care about anything other than consumer welfare?
Screw for profit businesses. I don't care about their welfare. I only care about consumers.
If a company is in both the grocery industry, and the shipping industry, I see no reason as for how that hurts workers.
There are lots of grocery stores, and lots of shipping companies. Thus, one company does not control all jobs in these industries. It is not even close.
If you want to talk about minimum wage laws, fine go ahead. But that has nothing at all to do with conglomerate companies. It effects all companies, and arguably smaller companies are worse on this front, because they are less efficient, and therefore have less total money to spread around.
What happens when Amazon hypothetically reaches state level income but doesn't break any laws? How much is enough soft power? How much is enough power for one corporation, monopoly or not?
It's interesting that I got so much push back for this discussion, seems fairly obvious this can end badly for the average person.