With your logic this is legal:

> One public Firebase file. One day. $98,000. How it happened and how it could happen to you.

https://www.reddit.com/r/googlecloud/comments/1kg9icb/one_pu...

"It's just a script that makes a loop, I didn't charge anybody anything, I didn't pay anybody anything. I agreed to no terms and conditions".

It's a very harmful practice to intentionally try to hurt companies, when you can just block what you don't like.