Blue Origin will, at its own cost, contribute the development and launch of a pathfinder mission to low-Earth orbit of the lunar descent element to further reti

Blue Origin will, at its own cost, contribute the development and launch of a pathfinder mission to low-Earth orbit of the lunar descent element to further retire development and schedule risks. Is this Blue Origin saying they'll catch up to where SpaceX is already without charging NASA for it? How is that even part of the mission?