Oh sure, I consider the possibility that there might be aliens out there. However, we both know that this is very different than considering the possibility that Obama was a reptilian. In any case, scientific frontiers are areas of active research. So yeah, lets go spelunking!
>I have also met "real scientists" who actively dismiss conclusive evidence if it doesn't line up with what they think will get funded.
That is an all too common human flaw :)
Yes knowingly abandoning the princinples of science in order to acquire money is quite the flaw. For whatever reason it is basically non-existent among grad students, but not uncommon among successful professors. It's almost like our institutions select for and reward this behavior.