Not quite because they are correlated. As he says, embezzlers are smart. So lowering the second risk also lowers the first as a smart embezzler is not likely to try when the risk of getting caught is high.
If I’m careful, I’m sure I could pet a tiger. If it sees me take enough precautions, it’s less likely to try and eat me. If it judges that’s it’s worth a pop and I don’t take sufficient precautions, I’m dinner.