I should've added that I'm not saying they're useless: just not a solution to the root problems or even the best solution to their problem. I use them if I have nothing else or just want to reduce traffic (DDOS) on a guard. Hell, using an obscure processor architecture while removing anything in traffic IDing it got me more security than any AV or firewall. I retired that strategy after 5+ years of it working with eBay hardware lol...