The problem described isn't companies buying goods and services. It's buying from an entity they partially own and then profiting as that entity becomes more valuable because of the purchase.

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dyauspitr an hour ago | parent [-]

It’s still very tenuous you can’t prevent companies that own 5% of other companies from buying services from the that company

	▲	matthewdgreen 28 minutes ago \| parent [-]
		We can prevent anything we want. If there's a major AI crash analogous to the Depression, we'll probably institute a lot of new regulations.