The article clearly mentions that credentials sharing is currently used as a mitigation to the balkanization of streaming services, allowing the cost of all major subscriptions to be spread across several people, essentially bringing down the per-person cost to a reasonable, single subscription's cost.
Cracking down on this doesn't mean people will start paying, they will just go back to illicit means of watching the content.
The article clearly mentions that credentials sharing is currently used as a mitigation to the balkanization of streaming services, allowing the cost of all major subscriptions to be spread across several people, essentially bringing down the per-person cost to a reasonable, single subscription's cost.
Cracking down on this doesn't mean people will start paying, they will just go back to illicit means of watching the content.