Their method of redesigning the frame / car that led to revolutionary results in safety: https://www.tesla.com/it_IT/blog/tesla-model-s-achieves-best...
Also, Tesla is known to misrepresent in it's PR releases. See https://www.cnbc.com/2017/07/06/insurance-institute-for-high..., in which the IIHS notes that Tesla only received an "acceptable" for the type of crash that actually results in the most fatalities.