Ehm- mushrooms don't do that. With mushrooms, you have two mental states- 1) someone sits there and gains profound insights and has figured out metaphyiscs, or 2) has introspective but potentially dark, scary feelings of his own life. In either case, breaking into someone's house would be a surefire way to a horrifying, nightmarish trip. Mushrooms do not give a sense of self-confidence or immunity to do something like that, rather, someone is in a potentially very fragile state. Someone does something like that on mushrooms is more likely to think his life is a complete, empty failure and not even bother to go through with it.
I can't watch a commercial for any legitimate pharmaceuticals created over years and years, used for life saving purposes without hearing a nightmarish list of possible side effects.
...but a mushroom growing through cow #%&*$#, all possibilities are boiled down to just 2 effects?
I think not.