That's true that in the wild they are never trimmed or pruned... nature just takes it's course.
I guess we humans just have to have it our way.. nice and tidy...
Twice a week is pretty regular.. in fact i've only trimmed my neps once every couple of months... and only the dried leaves/pitchers.
But what i am wondering is if the dead leaves or pitchers do provide some sort or 'recycled' nutrition back to the plant when they degrade to compost.. i am sure they do right..?