True, but:

Consider how many rocket development efforts squandered 10X to 100X the money, and >8 years, without making it to orbit.

Using solid fuel for their first 3 stages also makes it far easier. I'd take that as evidence of their management wisely picking a good shape for the org's learning curve. Vs. chasing the long-odds bragging rights & likely heartbreaks of a liquid-fuels-only version 1.0.