Helmet the other argument is "lets fit every new piece of kit we can get our hands on, without proper evaluation and regardless of whether there is any overall safety benefit or hazard, especially if it comes in a shiny box and draws pretty pictures in the cockpit and regardless of whether its a bit of recycled fixed-wing kit that is far from optimised for our application". You may subscribe to that argument but I don't.
I can assure you that I am all for technological advancement - I currently fly one of the most technically advanced civil helicopters and I am waiting with baited breath until I get TCAS II. But EGPWS leaves me cold.
HC