What exactly do you mean by "those who can do, those who can't teach"? Assuming you mean teachers are failures at other fields, I fundamentally disagree. There

What exactly do you mean by "those who can do, those who can't teach"? Assuming you mean teachers are failures at other fields, I fundamentally disagree. There are plenty of people who go into teaching to help others. To help underprivileged people like yourself. You had a CS minor, no? Do you consider your CS teachers to have been "those who can't"? At the very least they gave you a foundation and an interest in something that elevated your career.