Because undergrads are on average very bad programmers. They're both enthusiastic and don't know what they don't know. Good programmers are above all very exper

Because undergrads are on average very bad programmers. They're both enthusiastic and don't know what they don't know. Good programmers are above all very experienced and disciplined and clear thinkers. Undergrads are stressed by their remaining workload so they have split responsibilities, and they just can't put the necessary time in.