Even though Paine is a first preview, I can hardly imagine myself playing on a server with legacy ORS, unless I am playing somewhere I know is very high demand, and I can pretty much safely assume that my routes will fill up
I and many players probably will never miss having to look up an airport on wikipedia to know the viability of a route
in Feature Preview: Distribution System / Individual Travel Requests will be crucial to see how feasible the connections displayed in the ORS are and where you stand relative for your competitors, specially if you’re a luxury airline