Health wrote: “It depends why you’re not learning Gemorra. If it’s because you don’t believe in Torah Sheh Bal Peh, then you are OTD!
If it’s because you were never taught how to learn Gemorra, then you’re not Otd.”
There are many other reasons than those two (e.g. you enjoy Nach more, it is easier to get published in Nach, etc.). If it is anything other than the first reason, you are not OTD.