2003 focus clutch

Today I was told by the dealer that under no circumstances is the clutch covered under the car's warranty. the expected life span of a clutch not withstanding. the assumption on the part of the dealer is that the driver has been doing doughnuts, hotrodding or other things to cause the wearing of the clutch. Presumably that applies whether the car (and clutch are 24 hours old or 24 months old.