No, they're bullying a developer who created something useful so they can keep control of their product. They're misleading him by saying that building a Chrome

No, they're bullying a developer who created something useful so they can keep control of their product. They're misleading him by saying that building a Chrome extension for a website somehow makes you agree with that website's Acceptable Use Policy They didn't provide any real guidance, there's no way the extension could work using the official API.