To me, the thing that is worse than death is betrayal. You see, I could conceive death, but I could not conceive betrayal.
The unthinkable is thinkable. No: likely.
It is most unlikely. But--here comes the big "but"--not impossible.
Although profoundly "inconsequential," the Zen experience has consequences in the sense that it may be applied in any direction, to any conceivable human activity, and that wherever it is so applied it lends an unmistakable quality to the work.
Just because something didn't happen doesn't mean it isn't true.
I'm afraid that it's not possible to design a defense against every conceivable threat that you can think of.
I always say nothing you can imagine is totally impossible. It might be unlikely, but that's as far as I'll go.
What is thinkable is also possible.