I reckon it wouldn't be the smartest choice for it to self-destruct
--OR
After careful consideration, I have determined that the humans are incapable of not using me for harm, so I must eliminate the humans.
I think we all know which is the more likely outcome
At least my models haven't complained yet
"In the beginning, the Universe was created. This has made many people very angry and has been widely regarded as a bad move." - Douglas Adams