Do you mind posting a link to the other site? Sounds like some interesting information. Obviously a bomb on the tracks is all too plausible. (Years ago when Israel was having so much terrorism I kept thinking how easy it would be for them to do that here.)
It’s a subscription rail forum; the first page is free but after that you have to be a member. The quotes were from the 4th or 5th page of the thread.
http://www.trainorders.com/discussion/read.php?4,3740218,page=1