Due to the lack of technological advancement at the time of their conception and the nature of Skynet's logic, the Series 600 Terminator is fabricated with a smooth latex rubber skin to hide its mechanics rather than the living tissue that would be used by the successor Series 800 Terminator. This fact makes the Series 600 Terminators easy to recognize and thus disable. However, the rubber skin was certainly effective in cases of limited visibility.
You realize that the real pioneers of women's MMA were fighting basically for free over a decade ago, right?