I think adding barriers to doing something dumb:

1. Gives the person more opportunities to reconsider.

2. Gives loved ones more opportunities to notice what's happening and intervene.

There's a world of difference between refinancing your home by visiting a bank several times over a period of a few weeks and refinancing your home by tapping a few buttons on your phone.

The difference convenience makes to the rate of making errors in judgement is actually so obvious that even military equipment will have additional steps you have to take to enable lethal weapons/eject/etc.