You are replying to a small part of one sentence? In context I am clearly not saying what you suggest. The very next words are “assigning eyes to the critical

You are replying to a small part of one sentence? In context I am clearly not saying what you suggest. The very next words are “assigning eyes to the critical components”. The benefit of closed software in this context is that someone is paid to look. That’s not unique to closed software but having someone look isn’t guaranteed with open software either.