> People just have different opinions.

Most of these people don't even know how the technology works. Enabling firewall makes them feel secure because it shows them a Green tick mark in a green circle. A file shred application is good to them (if they even care) because it shows an animation that feeds a file to a shredder and breaks them into pieces.

They are never going to agree that they can be manipulated this way. Oh, and some people feel website x is secure because there is a green lock symbol in the URL bar. Some are more secure, because the green bar is a bit longer.