brisker 26 – you are 100% correct mixed dancing and schmoozing are totally different. most mo people know that. most people who wouldnt agree with that statement would be people who for example use to be chasidish and goes off the derech. they think once you do one thing you must go all the way.
wolfish musings – believe it or not many mo people would not use the eiruv. the eiruv in new york is not an eiruv that we can use. the people who would use it are the people who are OTD. for me i consider it breaking shabbos.