Well, not necessarily. A bike that’s got a full carbon frame also absorbs shock and vibration from the road better. This means you can ride longer distances without getting fatigued in places like your wrists or ass. Longer rides = more exercise.
But once you have a carbon frame, chasing grams on other components gets to be a bit silly.
The jury, comprised of people who certainly have been fucked similarly, can find in the gyms favor and award them a whopping $1 in damages.
Good luck convincing regular people bullshit cancellation policy is a gold reason to make someone pay