Ozmar
This tree will shoot you.
Indeed. Are you saying that posting religious preferences on an add will deter all possible incompatible roommates?And your mushroom analogy is flawed: The mushroom spores are all part of the one organism in those cases.
Some are edible other poison if you cant discriminate you will have a hard time staying alive.
So write your congressman and stop bitching about it.Posting a message on a church bulletin board is an act outside the jurisdiction of the law as long as one is not seeking to break the law.
If it is an illegal act ,then something is wrong with the government, it has over reached its boundaries.