We shouldn't upvote crap links. Unfortunately many people will upvote crap. The only way to keep garbage off the front page is for some people to flag it.
People either listen to the vast majority of scientists (global change is happening; global change is almost certainly driven by human activity) or they can listen to scientists who do not work in climate and who have been paid by industry to create FUD - some of these scientists are the same people who ised to work for the tobacco industry.