As the Classic saying goes. "You are welcome here, but please sign in before you enter"
I think sneaking anywhere is bad, and if you come her for good intendtion. I believe you can stay, but if you come to Harm. Please Leave. I don't care how much hate you got bottled up.
~.~ I really like to think that every person that sneaks in comes to do good, but then again I don't know.