I group hunt, I rather enjoy it, I also Solo alot which isnt as much fun but alot of time friends are busy crafting. I cant say I prefer to group or solo hunt but I know i'm better at solo hunting. I can hold my own in a group hunt since my main is Healer. But given the choice I would group hunt.
Now all of this aside sometimes I call on friends in the community to do something fun like attack the EB or SOG, Nothing like getting members of the community together for a little head bashing. I know that I personally have given up looting when in group. If I see something I want I say something if I get it good if not doesnt matter.
I have had some groups that are very interesting and there are few people I just wont group with out of fear they will get us all killed. I have seen people recall in the middle of an SOG fight after one or two dps. So although I agree you have to becareful who is in your group I also think they need more interaction with skilled players to learn how and when to use abilitys.
Just my opinion