Your assumption is that a 'clear abuse of the system' is unethical. Overflowing a char buffer to get control of EIP is also a 'clear abuse of the system', yet I

Your assumption is that a 'clear abuse of the system' is unethical. Overflowing a char buffer to get control of EIP is also a 'clear abuse of the system', yet I have a hard time qualifying that (by itself) as unethical.