And even when the whole "end of reality" thing is taken care of, you still can't have your cake because some people just had to get back to work, taken "home" to a parallel dimmension, and get their mind wiped so their head wouldn't explode.
Maybe you should consider just baking cookies next time.
You don't need to be part Time Lord to make a demotivator. Just find a funny image, go here ([link]
) and get to work.
Image belongs to the BBC (copyrights removed for original picture simply to make it look nicer, they still own everything about it).