Pioneering reusable rockets, manned launches to the ISS, a super heavy lifter, lowest launch cost on the planet, a launch cadence that looks like something from an SF novel, and a satellite constellation that brings in enough money to pretty much self-fund the development of their future spacecraft. And in case anyone wants to point out their income from lucrative launch deals with the US government, one should also consider not how much those contracts are costing the US taxpayer, but how much they are saving (compared to the next cheapest launch provider).
Say what you want about Musk, SpaceX is certainly delivering the goods when it comes to space flight.