[wmoxam]

I love openbsd but even their proactive approach hasn't made them immune to remote exploits

[mpyne]

It's not about total and complete prevention, it's about reduction of risk. Your logic taken to its logical conclusion would argue against practically any risk mitigation measures at all. For instance, even SSL/TLS have not been immune to exploits.

[martinced]

Logical fallacy: "Fallacy of gray".

http://lesswrong.com/lw/mm/the_fallacy_of_gray/