> Blocking by user agent would be a terrible idea. You know what else is a terrible idea? Blocking IP ports in firewalls, or MAC based filtering, yet both of t

> Blocking by user agent would be a terrible idea. You know what else is a terrible idea? Blocking IP ports in firewalls, or MAC based filtering, yet both of these are ubiquitous practices. Don't think something is not happening because you think is a bad idea. Other people, usually the ones in charge will often disagree.