At this point, we can assume he's just trolling, but looking at the stock price some doubts would be warranted.
In any case, they know perfectly well that real FSD is impossible on their current (V4) hardware, and already admitted that the version they sold millions of (V3) will never be capable to run even their current models. So much for 'every Tesla produced from now on have all the hardware needed for FSD' - since 2016. A quick reminder from almost 10 YEARS AGO:
https://www.nbcnews.com/business/autos/all-tesla-vehicles-be...