RE: Passive or aggressive philosophy?
I am an aggressive turkey hunter and it's served me very well for the birds I've hunted however, I'm slowly becoming a more and more passive caller. I'll still be aggressive towards the birds themselves ie pushing the envelope for getting close etc however my calling has been toned well down. The birds I use to hunt are not the same as the birds I hunt now.
In bowhunting them, I certainly want them to know where I am, then they need to come look for me via little or even no calling.
I will however fire it up if that is what's necessary. As Jeff mentioned, each bird is different and at times you can turn a bird on to come in by being aggressive but first you must take his temperature with little to no calling.