Climates change. No one denies this. To accuse anyone, and political candidates in particular of being a “denier” or a “merchant of destruction” is simply to “poison the well.”
The term “poisoning the well” is derived from an ancient wartime practice where poison would be poured into sources of fresh drinking water before an invading army in order to diminish the attacking army’s strength.
To “poisoning the well” (an argumentum ad hominum) is to release adverse information about and/or attack a target with the intention of discrediting or ridiculing everything that target has to say. In this case Presidential candidates are being targeted. Statements such as that below contribute nothing positive to discussions about changes in climate and simply create ill will.
“California Gov. Jerry Brown has a greeting for the GOP Debate on Wednesday: Welcome, “merchants of destruction.” Brown deployed his characteristically acid rhetoric in an interview with Bloomberg, in which he flogged his climate change hobbyhorse and attacked the Republican field for neglecting, or denying the issue.” click here