Why the complete version of Tesla Full Self-Driving will take longer than Elon Musk says it will

During Tesla’s 2019 Autonomy Day, Tesla CEO Elon Musk said the company is expected to have one million vehicles on the road by the end of 2020 that could function as robotaxis.

https://www.cnbc.com/2020/07/25/why-tesla-full-self-driving-and-robotaxis-are-taking-so-long.html