It has a lot to do with consistancy and stablity. The light, roundnose, realitively slow bullet can't be expected to perform like a fast, pointed .22-250 can. While some shooters enjoy decent accuracy from a factory .22 rifle and bulk ammo, if you really want a tackdriver you're probably going to have to get a match barrel, and use high quality match ammo. We just can't expect too much from a mass produced, 2 cent round. Ever pull the bullet off of a .22? Often, they are enough out of balance on the tail end to explain your problem. Try different brands, and a box or two of "good stuff". You may be suprised that your barrels each "like" something different.
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The Bible is my lawbook. I turn the other cheek when applicable, and spend the rest of my days resisting evil at every front, until I have breathed my last breath.