I have seen this first-hand. Many of my supposed GTAs, particularly for more advanced courses like Operating Systems, did not know any of the material that they

I have seen this first-hand. Many of my supposed GTAs, particularly for more advanced courses like Operating Systems, did not know any of the material that they were teaching. In one case, I had to show them how to use the CLI. Some had wonderful questions like "Are pipes how copy and paste work". Can I get a refund on my degree?