Concur. Barring actual emergency circumstances, this is a bad, bad idea.
Why is the exercising of one's rights a bad idea. You wouldn't tell anyone who is planning on speaking in the public square that they shouldn't do so.
A right is a right and there should be no difference in how they are treated by the public or the police. When the firearms are pushed into the closet rather than being carried in public you make their public appearances an oddity that is feared.