Depends on what you are doing. Personally, i fire straight at everything. I'm pretty solid on 10's and 6-10s, but i did have a fear of the 3-6-10 for a while. i then got my head out of my arse and made a move. for 10s i stand on the 5th dot on the approach and fire over the middle arrow. for the 3-6-10s i move one dot and one arrow left. been making them ever since.
going straight increases your margin of error CONSIDERABLY. you don't have to worry about lane conditions either.
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Why does everyone try to make it harder than it really is? Overthinking makes the game that much more difficult.