Even in other fields if you were just 'exploring', ie you didn't know what controlled experiment to perform, you would perform sample size 1 experiments in the

Even in other fields if you were just 'exploring', ie you didn't know what controlled experiment to perform, you would perform sample size 1 experiments in the hope of generating a testable hypothesis. That doesn't mean you can draw conclusions from this study, but it does introduce an intriguing option for a future study with controls and a larger sample size.