The fact is suicide rates are higher in wealthier neighborhoods and in richer countries.

https://business.time.com/2012/11/08/why-suicides-are-more-c...

Not to mention the fact that you believe giving more money to someone who is addicted to alcohol or drugs will be better instead of worse. The only thing you've given them is money money to buy alcohol and drugs with no extra motivation or responsibility so they'd stop doing those things.