Daleks v Skeksis

Daleks: Ugly fascist totalitarian rulers. No mercy shown to enemies, no sense of humour, robotic bodies, squiggly innards, various alien type weapons and grand ideas of universal conquest. No respect for all versions of the human race etc.

Skeksis: Ugly fascist totalitarian rulers. No mercy shown to enemies, no (properly formed) sense of humour, bird like bodies and heads, squiggly innards, various primitive but magical weapons and grandiose ideas over their status. No respect for all versions of the human race or gelflings.

The thing is with both of these fictional, clumsy, villainous types they always avoid any kind of decisive comeuppance. In some pantomime inspired way it seems that it would be easy simply to run around them with a long piece of rope and tie them together in a clump and, once that was done, cover their eyes (electronic or otherwise) and ... destroy them, as you would with any other extreme form of cruel tyranny. But then the stories wouldn't quite work or continue  ...