I must be doing something right, going to the right places as I have yet to exsperience any sort of griefing in my 7 months.
I go club hopping, shopping and general exploring, but the welcome hubs, info hubs is one place I have no desire to hang out at. Way to many people that think they are interesting, but really have nothing to hold my interest.
I knew immediatly when I started SL that I should move away from those areas as they looked like trouble to me just based on all the people hanging around and what was obvious troll talk (you know it when you see it).
It's like RL, if you go to bad places, bad things are going to happen. You have to pay attention to your surroundings and be aware. I know grievers can be anywhere, anytime, but being on guard can save you a lot of grief.