NASA has not seemed entirely happy about SpaceX gaining a foothold in launching NASA astronuats. Just something to be aware of.
NASA has a long history of having a monopoly on manned orbital launches from American soil. (Even Boeing's capsule is, at least, from a traditional big defense contractor, so closer to the norm from NASA's point of view.)
Of course this is just a viewpoint from a faction within NASA, not the whole, there are elements of NASA delighted to be able to use SpaceX's amazing advances in rocket technology. (What they've done is incredible.)
Article from February 21:
https://behindtheblack.com/behind-the-black/points-of-information/even-as-nasa-announces-schedule-for-spacex-dragon-test-flight-anti-american-forces-at-nasa-work-to-block-that-flight/