I’ve worked with multiple teams where QA tests in prod behind feature flags, canary deploys, etc. Staging environments and QA don’t always go hand in hand.
You’re right. You can’t take advantage of it. But not for any of the reasons you listed.
You’ve already decided you would fail, and that’s all it takes to seal the deal.
Dare a little. You’ve already made a list of your weaknesses. Now make a list of your strengths. Then sell yourself on how each weakness can be explained as a strength. If there’s nothing there at the end of the exercise, you haven’t lost anything. But you may just end up with some useful clarity on your worth in the marketplace.