I look at Tesla as the exception to a lot of rules. I agree with you here-- launching hardware which not only is a value add to users but also Tesla data teams, is so far ahead that this seemed like a dumb comment.
That said, if some company had manufactured bluetooth hardware last year way in advance of the release and full spec, I would argue that it was a pretty bad move. Clearly this is not a perfect analogy, but it should illustrate that this can seem counter intuitive. Building in the cost of beta tech that doesnt fully work and is not legal is a huge gamble. I just wouldn't personally bet against tesla and for the reasons i outlined; it is likely the right call