$Ehang Holdings Ltd(EH)$For me this self driving drone do not make sense.1-Technology : Anyone who owns a toy drone understand that even the best one in the market (I.e: DJI Parrot) have challenges with their batteries life of maximum 30min. Now add another 500Kg and human inside. what will be the maximum carry time 5min ? so you take off and land will take 5 min. 2- from authority perspective: to certified self driving car (achivieng L3-4) takes years if not decennies. Now we are talking about air traffic control, what is the odd and timeline that it will be certified before their cash burnout. 3- Buisness model : If their income is mainly from drone show, then DJI could crash them easily. 4- Competitors : Let's say that by miracle , authority allows