UN IPCC’s & Michael Mann’s Hockey-Stick graph is ‘a technological virus of deception’ – ‘Scientifically unethical to spice ‘observed’ data onto ‘proxy’ data’

The hockey-stick graph is a technological virus of deception which continues to infect IPCC products. It is scientifically unethical to spice "observed" data onto "proxy" data. The IPCC is a "government" agency and not a place of rational science. pic.twitter.com/ok5uMwECwT

— John Shewchuk (@_ClimateCraze) July 25, 2025