"the practice was counterproductive in a vendor-customer relationship"
Actually no, it isn't. It is going to be a great incentive for companies to transit to Open Source, free alternatives, and the market for those products is going to expand dramatically.
After that, current closed-source cloud vendors will be begging for companies to return by offering dirt-cheap prices.
That's capitalism. The wheel turns. The future is Open Source. It may take a while, but Oracle & Co are on their last legs already. Dead man walking.
They just don't know it.