The CEO's inability to see the looming issues with his supply chain left him as vulnerable as the captain of the Titanic

Which term does this sentence demonstrate?

The term demonstrated in this sentence is metaphor.

The term demonstrated in this sentence is a simile.

The term demonstrated in this sentence is a simile. A simile is a figure of speech that compares two things in order to highlight their similarities using the words "like" or "as." In this case, the CEO's vulnerability is compared to that of the captain of the Titanic using the word "as."