I don’t know why people are downvoting me, I’d love it if NASA could innovate the way private companies can, but they just can’t. The way SpaceX is currently developing Starship would not be possible if NASA was doing it. (And no I’m not endorsing Musk I wish the company was owned by someone else)
There was a very long investigation, pretty sure it hasn’t even concluded since they don’t have their license yet for their next test flight.
And why wouldn’t it count as a succes? You don’t see learning from design flaws as a succes? They clearly learned and iterated on the design