While the requirement to demonstrate FSD software to all new buyers underlines Tesla's commitment to its driver-assist features and potential growth catalyst, it could paradoxically slow down the vehicle delivery process. This slowdown might impact Tesla's ability to achieve its delivery milestones in the short term, potentially affecting investor sentiment. However, the long-term benefits of increased FSD adoption and customer awareness could offset any temporary negative impacts on stock price, making the overall short-term impact neutral.