[epistasis]

> cannot enumerate the major sources/sinks of carbon on the planet

What climate scientist can't do this? Are you talking about non-scientists calling people "science deniers"? Or are you denying that climate scientists have been able to do this, in which case yes you are literally a science-denier?

Nonetheless, you can't excuse harming the future of the entire nation because somebody had their feelings hurt. The stakes are bigger, here.