they are using up valuable oxygen and leaving a carbon footprint for no reason at all,they should be ashamed.They have no meaning in life.
Seriously, i think we are basically designed to create more of our own,some people choose not to,others are unfortunate not to be able to,but that does not detract from the fact that we are here to have offspring and continue our species IMO.
kingdom,phylum,class, order,family,genus,species,we are here like all living organisms to preserve those 7 catogories which are the mainstay to life itself.