It was a business plan and they found hardly any of the plan subscribers were actually businesses
And why the fuck would that matter? If they can't handle some random's porn and piracy collection, how the fuck would they handle a legit business? lol
Reselling an account would hurt their bottom line, but still have no effect on providing the storage. Imposing a limit doesn't stop that though, other than perhaps by making the product worthless and therefore unworthy of reselling.