I am a member of the GAGB, as I have successfully negotiated one blanket permission agreement; and I fully agree with it's placement guidelines, which I am happy for the Groundspeak reviewers to continue to work to.
I see the GAGB as an important "middleman" of this rapidly expanding game.
It's goal and methods might not suit a number of cachers in the UK, but it's far better that the GAGB exists in it's current form than it not existing at all.
There were plans in place to get the GAGB some needed coverage at last year's Mega Event, but this never came to fruitition, which I apologise for; I do hope this year's committee do better.