I'm surprised nobody has brought up the convenience of having an indoor chitter. A bucket buddy is yer friend...as is the midnight pee bottle...
Nothing like taking the ol' morning constitution in woodstove heated comfort as compared to the wind-blown, snow-covered latrine log at 0 degrees......
I'm not into huffing a lot of s h i t fumes. With a few folks in the tent, that would get downright unbearable.
I'd much sooner put up a small crapper tent.