y42 writes, It might be an undiagnosed case of alzeimher, or he got a bad
batch of the crack, but according to an article on Sci Fi Wire, Berman said in an interview about this
season’s finale for Enterprise that “For the first time on a Star Trek
series, we’re going to be dealing with a mission to save Earth” .

Yeah, we never saw THAT before… I’m not sure if that qualifies him as insane, but it’s certainly indicitive of a nearly-total unfamiliarity with the episodes of the various Treks already out there.