I'm with Isfahan, I thought they were going to at least be politely supportive of each others' mutual delusions. Then it turns out they so goddamn serious about time-travel. Did everyone assume this John Titor guy (or someone else?) was the real deal? Were they waiting for the appointed time travel Messiah? If so, how would they know it was Him?
Then it turned out they were all pro-Nazi and I was like "ehhhhh fuck these assholes", so problem solved.
In conclusion, The F Plus: Schizophrenia is a Powerful Thing