For starters, this is a useful security feature for websites. It helps to protect your website against malicious bots and attacks. And before you say “but my website is secure and I don’t need this system”, know that many people will disable any security measure without proper consideration because it inconveniences them, and then it’s our servers getting overloaded when the website inevitably gets attacked, and we’re getting asked to help fix it (or even get blamed for it) when that happens.
Additionally, we provide a website hosting service for hosting websites. We don’t want people to use our service for file storage, database hosting, API hosting and so on. This system helps to enforce these rules.