If it turns out Musk has been the master of gaming playing and manipulation (and I think there's an element of that in him, and not detracting from plus points), the promise of the Roadster, like the $1k Model 3 reservations, were inventions for other goals and quite underhand. The M3 reservations bankrolled the company, the money wasn't protected in any way and Musk later admitted the company was at that time weeks from going under, not only that the reservation gave you virtually nothing. The hidden referral program was a 2% discount on a roadster for a while after 5 referrals, after 50 referrals you got a free $200k car. so what, $4k a referral... it kept the social media promoters promoting as they were racking up the promise of a quite considerable payday with some qualifying for 2 or more - but of course, until Tesla make them, thats just a promise that may never get delivered.
So my advice to anyone thats cares to listen, buy Tesla for now, for what you can drive away in, what the car actually does, and not what it promises, what screen processor it has, what battery etc. Whether that be reservations a year out, FSD capability, anything.