a) There was another less talked about element to this thing, John Fasano was aware that this script was attempting to be the Monty Python version of Alien that was both extreme and funny.
b) Vincent talked about getting John Cleese, Michael Palin and the other members of the team to play the parts of Luddites, with specific characters there for comic relief.
|The Monty Python Team|
- Jon Fasano: We were trying to do the Monty Python version of ALIEN. It was pretty extreme, pretty funny. Vincent was talking about getting John Cleese, Michael Palin and all those guys to play the parts of the Luddites. Specific characters were meant to be comic relief.(http://www.money-into-light.com/2015/03/john-fasano-on-writing-alien-3.html)