And did these morons, I mean 'scientists', ever consider that the increase cloud cover will reflect more sunlight and decrease the effects of global warming. They are liars with an agenda. Simple as that. These 'scientists' never factor in negative feedback. They just exaggerate positive feedback.
As a matter of certain fact, yes, they do consider that as a possibility. Cloud feedback effects are considered the top uncertainty in all GCMs. It is possible that cloud feedback effects could cancel out the effects of increasing CO2 in the atmosphere. It will be VERY interesting to see what the next IPCC report says about clouds.
Actually, clouds are the most effective of the greenhouse gases. If you want a warm winter night or a really mugged unbearable summer night, there is nothing like cloud cover to do the trick.
I would not go around calling people morons unless you are sure you know what you are talking about.