You can charge with any cable that supports that power level. The problem is you can buy cheap cables that don't meet standards and can burn up. Or, the laptop

You can charge with any cable that supports that power level. The problem is you can buy cheap cables that don't meet standards and can burn up. Or, the laptop won't charge at all because the user's own charger doesn't support Power Delivery, and IT doesn't want to deal with supporting 3rd party chargers—I know my Dell XPS 13 won't charge over normal USB at all, and needs a 45W charger to charge at full speed.