I adapt to the realities of today. The reality of today is DCC is at best a bit player in the 3-Rail O-gauge market, and I doubt that's going to change anytime soon. Given that reality, I work with Legacy, TMCC, and DCS, they're the 800 pound gorillas of the 3-rail command control world.
If DCC were capable of operating with Legacy/TMCC at the same time like DCS, I suspect it could make inroads. However, that ship has sailed, and I don't see any way that's going to change given the nature of the two incompatible control systems.