Yeah it's shocking to me how many people overlook this. Even if we pretended that the Tesla sensor suite was capable of FSD, it's not FSD if you have to disengage when the lens gets mud on it. Sensor cleaning is an integral part of actually being able to have driverless operation. When I worked at Argo we spent a lot of time making sure that we were designing failsafe methods for detecting and dealing with obstructions (https://www.axios.com/2021/12/15/self-driving-cars-clean-dir...).