Because they couldn't find the droid they were looking for
The cast-a-net.
Because they don't know how to use Occam's razor
Yum Yum.
They finally found something as smart as them to talk to.
Waiter: Look at who they have to serve.
Me: Make me look attractive. Barber: CAROL! CANCEL ALL MY APPOINTMENTS!
Lost
Because there are no windows!
A droid
Because BB-8
With a pair of Caesars. (Thanks)