If you don't want my advice don't take it!
I do not say play Over the internet for hours with no Firewall!
I am trying to remote diagnose a problem. I am seeing where the conflict arises.
The user is free to turn it back on when they have tried it. Further if they are that concerned they can unplug their connection before trying it. that is only common sense for the paranoid.

Since you were not involved in this discussion and have a problem with my advice anyway, I will strongly suggest to you that you refrain from posting further in this forum, lest you find posting priveledges revoked.