well, why WOULDN'T you put a self-destruct switch inside a lifeboat?

[Goth Guru]

1: Larry Talbot's going full wolf!

[I'm Hiding In Your Closet]

2: What, are icebergs not good enough???

[KenderKin]

3. Because that is how you make a death boat....

[lucky7]

4. It made Hitchcock so happy...

[Cornielius]

5. In Soviet Russia, self-destruct button is not for lifeboat, is for you!

[GoatToucher]

6. Because I hate comedy.

7. Because Life of Pi would have been much shorter.

8. Because that's a rather personal question, sir!

[KenderKin]

The expert on this topic is a person named "RaftBiter"