Mainly because people so commonly dismiss a study by stating that 'correlation doesn't imply causation,' while going about their lives with their own ideas and

Mainly because people so commonly dismiss a study by stating that 'correlation doesn't imply causation,' while going about their lives with their own ideas and biases based on anecdotal evidence just the same. It's the tool of a common course of visible hypocrisy. Maybe it's just a personal thing.