Even free headers go directly to the keeper. I am not saying that the strikers should score from every chance they get, but the number of times that they miss is really silly.
And yes...if u r going to round the keeper, then the position of defenders around u is important...but here i am talking of at least trying to shoot beyond the keeper's reach by placing it correctly.
Good strikers should take most of the chances that come their way...thats why they are called good strikers in the first place