That is a great example for the migration of the term 'ski touring' from one generation to the next.
Right now, there are many folks who would not consider Dutch Hill 'backcountry' skiing at all. It is certainly self-powered skiing, but whether it is truly 'backcountry' is ripe for debate.
I've received more than a few emails from the 'disgruntled demographic' blaming backcountry alliances (in general) for ruining the purity of the sport. My counterpoint is always that Petersburg, Dutch Hill, Snow Basin, Berlin, PSF, Beartown, Hogback, Ascutney, Snow Valley and many other defunct ski areas make for low hanging fruit to 'manage' for backcountry use. Are they really 'backcountry'? Not really. They mostly have parking areas, old infrastructure, machine graded trails, and relatively clear terrain depending on the age of their defunctness. I consider them 'managed backcountry' along with areas that are cut but were never ski areas like Brandon Gap, Braintree Mt, Dover Town Forest, etc. If one wants a 'true backcountry' experience i.e terrain not actively managed for skiing----all it takes is Caltopo, a pair of skis and a sandwich. My point being that 'backcountry' itself can have many meanings. The Monroe Skyline is one of my favorite sections on the Long Trail too, though I've never taken skis along the ridge (except close to MRG). That sounds like a wild 'backcountry tour' ;)