Is it a crime of loneliness, or is it a crime of being made to feel miserable for being alone? In mass culture people are made to feel a failure if they are alone. I guess it also differs by culture, besides, suicide statistics show great variation by country.
People are also exhaustively made to feel inadequate in the mass culture, no matter how successful they really are.
Every advertisement is an implication that you don't have something that you need, or that you're not living life to the fullest if you aren't participating in the consumerism of buying the product.
This shapes the human mind in a detrimental fashion which may lead to suicide in many cases.