Because you don't have to wait for weeks just for delivery. And you pay for elastic usage.
You can order bare metal servers delivery time in minutes from any number of hosting providers and the cost difference is so huge you can afford to keep excess capacity and still come out ahead.
alt Hacker News
You can order bare metal servers delivery time in minutes from any number of hosting providers and the cost difference is so huge you can afford to keep excess capacity and still come out ahead.