I see your point adinva, and agree it shouldn't be about "punishment", but even your suggestions can be seen as that. Him leaving the area wouldn't be a punishment, but why should he have to do that? To me, there has to be a safe "No OM Zone" in his home. On this I would stand firm. If she doesn't like it, she can leave.
Bottom line is it is very disrespectful behavior. No way would I put up with that in my face.
M: A really long time. Crisis: 5 years. She's still worth it.
Life is never made unbearable by circumstances, but only by lack of meaning and purpose. -Viktor Frankl