Yes, some sort of counter attack would have been inevitable, but it would have been reactive, not proactive. With weaker forces against well supplied more mobile Americans with air support in (slightly) better weather.
Think Mortain.
Thanks. I appreciate your keen insights.
I know it is easy to forget, considering the momentous events in the Ardennes, but the ETO was not the only theater of war.
http://home.comcast.net/~cbi-theater-5/roundup/roundup122844.html