I wonder how many people reserved near the announcement; lots of time for personal and global situations to have changed in the last five years.
They (Tesla) also look to have overpromised a bit. When Cybertruck was announced the base model was $39,900 and Elon suggested incentives could bring it even lower [0]. The three tiers were $40/50/70k, then it launched at $61/80/100k. To be fair, $40k in 2019 is around $48k today but that's still a 25% price increase.
Also, the high-end version was initially presented as having 500 mile range and 14000lb towing capacity, but now it's 320 mile range and 11000lb capacity. (edit: sibling comment mentioned this already)