1 They're silly and melodramatic
2 They're jam packed with stars to mock (a and b list)
3 You haven't done any of this genre
4 There are a bunch of them. Personally I'd rather see a really bad one; any of the sequels to Airport or Poseidon Adventure. But there are plenty of other terrible ones with Avalanches and Rollercoasters and killer swarms of bees.