it gives suicidal folks a purpose.

Does it though?

I think that assumes: 0. They are <within viable transportation distance> at the right time 1. They know the viable solution 2. They are capable of enacting said solution 3. It's really just that simple, a real "if everyone carries a bucket" problem not a "faster than we can fix it" problem

Now sure, sometimes it will work out that way especially for the people who have training/experience. Not so much for people who struggle to get out of bed in the morning now, particularly when they may have multiple factors that contribute to that.