Part of the business plan assumed that people would be using the rocket to launch replacement satellites for constellations, and so it wouldn't be such a big deal if a rocket failed every now and then. This would let them use automotive grade parts in some areas as opposed to aerospace grade and reduce costs.
However, it turned out that customers were actually using their rocket to launch prototype satellites and other one-off satellites where failure was actually a big deal. Long story short Astra did manage to make it to orbit, but is unlikely to survive into the future.