[Avenger42]

This isn't the stock market. Past behavior is an indicator of present/future behavior. It's not the only indicator, certainly, but when a large number of people are telling you the same thing, then you have a responsibility to discover why that is.

The organizer's reaction made it sound like he had reservations about inviting this person, due to older reports similar to the author's.

[blubbar]

>Past behavior is an indicator of present/future behavior.

But a pretty bad one. I wouldn't mind if a murderer would give talk (if it was good). And not about the murdering, but about let's say ReiserFS.

[ovi256]

I'm willing to bet you had bowel control problems until a certain age, and I wonder if I can use that as an indicator of future behavior. There are reliable witnesses, after all.