I shadowmelded in a puddle in Zangarmarsh once to avoid being ganked by a team of 4-5 level 70s when i was a 62 (it worked, they ran over the top of me and couldn't find where I went.) I'd like to think gank avoidance is a skill.
I generally don't kill low level players as I tend to just ignore them, doesn't mean I haven't done so in the past. I have had it done to me, and I've paid it forward. Not that often any more though. But If archaeology takes me to Hilsbrad Foothills and I see any Horde running about, count on being ganked. "For SOUTHSHORE!!!"
Blizzard took that old battleground away from us, I like to think I'm doing my bit to get it back by flattening Tarren Mill every time I fly over it. For old times sake.
(Blizzard should add SS v TM as a scenario)
I still get ganked even as a lvl90, my server is like 9-1 horde dominated, when I do dailies it's rare to see any other ally even in zone, compared to the 4-5 horde hovering around waiting to group jump me whenever I land to kill my daily bunch of Mogu. It happens, you rez and get on with it.