Is a bad teacher better than no teacher? My parents had to pull my brother out of third grade because his teacher routinely picked on and harassed him, even goi

Is a bad teacher better than no teacher? My parents had to pull my brother out of third grade because his teacher routinely picked on and harassed him, even going so far as to give him an in school suspension for talking back because they refused to believe "sphere" was a word even after being shown numerous dictionary entries.