The principal barrier is that genuine suicidal motivation (in terms of willingness and ability to plan over the course of more than a few days) is incredibly rare, and not worth much effort on our part. Helping someone with suicidal thoughts to become productive is likely to be a far more rewarding path.
That said, Suicide by Cop has been a thing for a long time. There's no need for the whole trial and state-funded execution.
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
Notes for future OT posters:
1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.