Trust is bad. It is against taking responsbility. If you trust someone with, or to do, something, and that fails, it is then their fault. You trusted them and they let you down.
They may not have been aware you were trusting them. You may not have informed them of this responsbility, or you may have felt it was obviously implicit, without checking if they felt that too. Nonetheless, when something goes wrong, it is their fault for being such an untrustworthy, unreliable person.
Risk is better. If you take a risk it means you gambled, and the failing or success of the endeavor is your own responsibility. If something goes wrong, it was your choice to take the risk and your responsbility to sort out any ensuing problems.
If in situations where we might trust people, we were to take a risk on them instead, it would be better.
As a general rule, it's better to take responsibility for problems rather than looking for someone else to blame them on. This encourages active problem solving, and prevents meta in the form of arguing over whose fault the problem is, when all that needs to happen is that the problem is solved regardless of who is to blame.