> blocking super-outdated browsers like Konqueror that basically lack all modern security mitigations is a reasonable thing to do Except they still allow brows

> blocking super-outdated browsers like Konqueror that basically lack all modern security mitigations is a reasonable thing to do Except they still allow browsers far more insecure, like IE. And they could do feature detection to see if the security features are implemented or not. Blocking user-agents does nothing good for anyone.