Yes that is accurate, but I feel doesn't detract from the main point, which is about whether to do theoretical physical at in these regimes. We might decide a

Yes that is accurate, but I feel doesn't detract from the main point, which is about whether to do theoretical physical at in these regimes. We might decide a theory isn't testable even on principle, or discover that a theory we thought that wasn't testable actually is testable, but we'll never know until we do the work.