[kelnos]

Exactly this. Cloud providers have to acknowledge that building software on their platforms is necessarily complex, and inevitably bugs can cause extremely undesirable behavior. These providers are already charging a premium for instant, on-demand provisioning and nearly limitless pay-as-you-go resources, and know that there are too few guardrails in place to prevent accidental runaway situations.

"Goodwill" has value to a corporation. Taking a hard line against legitimate mistakes that anyone (yes, anyone) can make costs them goodwill, and costs them customers.

And beyond that, while accidental/fraudulent usage doesn't cost them $0, the services are marked up to the point that they probably doesn't really lose that much by forgiving the charges.