Strategy--- running away--- grouping up-- asking questions
I suggest these be your new motives. While I might agree some areas should be considered New player friendly/only; when it comes to things like this, I'm not sure these green dudes need to be toned down.
First off, I hear what you are saying, and I understand. Growing pains can be a pain. Once you under stand what to do to down a green goblin, you will want more and more of them to spawn. It is that simple.
I suggest-- for all new players-- if you can't down something; walk or run away. Just leave it be... If it is in an area you want to hunt... Scream in World chat about it... some nice player will take it out for you.
Second, asking questions about tough monsters, will lead to better results when encountering them. Asking for the goblins to be toned down is not much different then asking for their removal. Eventually, with a toned down spawn... you will encounter them and then what?
Lets talk about Strategy... I suggest a group of players hunt together until they are considered veterans... All you need is a good healer, lots of bandages/potions, a brave tank, and more strategy.
PM me in game if you encounter more green dudes, or need ideas on how to take them out.
--Sturger--