>>419611My post was about comparing large knives against hatchets not big vs small knives. I find a big knife with a choil more usable for detailed work than a hatchet. Of course you should still have a smaller knife for carving and hunting tasks like gutting and skinning.
>>419622Trail blazing, stocking firewood, shelter building, landscaping, tree surgery, clearing shooting lanes etc.
>>419635A longer blade will give you a sharper edge longer than a short one simply because there is more edge surface area. It takes longer for the entire edge of a bigger knife to get dull.