The rubrics presume that the Mass will be offered ad orientem. Absolutely nothing in the law prevents this. So what is the problem?
I really do not think the faithful are a hurdle. If they trust their priests, if their priests love them, and they know it, they will listen. Sure, some, the more ideologically hidebound, will protest. But, as they say, one cannot please everyone.
The real hurdle lies with my brother priests.
Of course each presbyterate is different, and the Church in the US, in general, has tacked much more towards tradition and orthodoxy in recent years, than many other parts of the world. Yet, the idea that one should be offering Mass ad orientem is still considered taboo.
Full article here.