Anecdotally, I've been told that the real reason for many "security screws" is that they simply facilitate higher-speed automated manufacturing -- the standard

Anecdotally, I've been told that the real reason for many "security screws" is that they simply facilitate higher-speed automated manufacturing -- the standard cross/phillips head isn't great for that. This makes sense to me since "security screws" are an almost entirely useless form of tamper prevention or tamper evidence. However I've no idea what the real story is. I'm wondering if somebody with knowledge can chime in....