The big prob is that not many HIV negative men take the time to educate themselves. You and I are very different in that we have actually given thought to these issus. Most gay men probably see posts like these and dont bother to even read them.
anyway someone sent me a good link that highlights many of the arguments I have tried to make in here...and the link is a web discussion from two very well known gay doctors.
http://my.webmd.com/content/article/1700.50606