its really unhealthy to pretend that negativity doesn't exist, it's also horrible to shun people because they are depressed, unhappy, negative or poor.
What happened to embracing someone who is feeling like this, having honest dialogue, from the heart? Instead, delete, sweep under the carpet, pretend it's not there. But it's like any other energy, it's not going to go away.
Prosperity gospel (which is what mlm teaches) and Law of attraction is the opposite of what all of the major world religions teach. it's almost psychopathic.