1) in all this #737Max thing, electrical/computer engineers like me trust/listen that what the aerospace engineers say. Whenever we say something (especially here on twitter), we get told: "what do you know?" and "oh, you're a programmer, go away". I'm exaggerating, barely... 2) good software engineering skills is a craft that should not be minimized. Yes, you, the pilot, might know PHP and wrote cool things for your web site. But you didn't sit 4 years in university to learn all the special skills to write good code and to doubt everything