Yes, I agree, the musicians aren't mystros. And their technique could use improvement. But I think the analogy holds (from an output point of view), the musici

Yes, I agree, the musicians aren't mystros. And their technique could use improvement. But I think the analogy holds (from an output point of view), the musicians will continue to improve, and some sections play better than others. The overall effect is "pleasing" although perhaps not concert quality.