That's one of the best ways to defend yourself in an AI takeover

What if they are waterproof?

use flame throwers

What if they are burnproof?

what if we run out of them?

M A K E M O R E O F T H E M

what if we ran out of materials

what if we run out of them

Send out the IT guys

what if they respawn

What if it glitches and commits self destruct

Here's a better question. What if you just pretend to be Icarus and jump off the tallest building you can find just to see if you can fly, smart@$$? =)