“The problems we have seen in the last few weeks are not the kind we would have anticipated at this stage of the development programme for Starliner,” he says.“The whole point about this was to test what putting astronauts in the loop of controlling the spacecraft would do in terms of performance. Instead, we seem to be dealing with rather more fundamental issues that really should have been ironed out by now.”
https://www.bbc.com/news/articles/c6pp29gdwe6o
There’s a reason you should do a LOT of testing before launch.
