I think you are quibbling over the word "trust". How about you believe, based on your understanding of the system and the monetary cost of attacking it, that th

I think you are quibbling over the word "trust". How about you believe, based on your understanding of the system and the monetary cost of attacking it, that the virtualized computer will execute the way you expect it to execute? The same way you'd "trust" that a safe deposit box will not be breached. It's certainly not impossible, but it's unlikely based on your understanding of how it works.