Trading in exchange-traded futures?? - Schweser Vol 2 Exam 2 #22

The solution says “trading in exchange-traded futures will reduce interest rate and counterparty risk…they are not a practical tool to specifically reduce credit risk.”

Since credit risk is risk of not receiving cash flows when due, I’m confused how exchange-traded futures don’t mitigate this.

Someone can correct me if I’m wrong, but when you redeem an ETF share, you are actually given a basket of shares. The credit risk is not completely eliminated here because the counterparty could fail to deliver the shares as required.