Now, I had already thoroughly thought through the pros and cons of keeping the account open, and concluded that I needed to close it. So, I shared my reasoning with the rep.
Interestingly enough, after hearing me out, the representative found a loophole or two in my reasoning, and explained to me why it would make more sense to keep the account open. I was a bit annoyed to discover that closing the account was going require my wresting my way through a debate of sorts, in order to justify my decision to close it. I agreed to leave the account open and ended the call.