Sometimes you start with the drawing and then the gag comes to you in the middle of it. That is when you start working on the solution of the gag which is composition placing equilibrium and character design.
Suspense is very important. Even though this is humor and they're short...
Design must seduce shape and perhaps more importantly evoke an emotional...
New technology is useful but it's inefficient and ugly it knows it'll be obsolete by lunchtime tomorrow so it has no incentive to be anything else.