Why all the flame guys?
First of all if you wanna go personal, both Erathorn and Ethaniel are good players. And they both go for teamplay at first place on a mini as far as I have seen. Ethaniel moans on minis? Yea, and so do like zillion other people including me

though I am trying not to offend anyone. It is just damn hard to see teamplay guys bleed while some others go for k/d (which unfortunately current system encourages). Same hard as if you get DT wearing world drop green cloth (happened to me few days ago) and being not just terribly unhelpful, but actually helping the other team feeding them with kills so you can't even go for kills win and you fight with 5 vs 7

And Erathorn running away to survive? Everyone does that (almost) usually it is better to survive close to the team in map than run again from rezz alone. Or at least you kite out few k/d hunters. I saw Erathorn survive and out-kite Kalmatrix's frenzy hunt

few days ago, and at that point of mini it helped us to score and win in the end.
I am the one who thinks that rangers should be a bit helpful not just with hunting clothies for kills. But also they are not frontline class for sure. I think the best teamplaying ranger I have seen was Tarte (SA). Always helped with CC when saw a low health teamplayer running rowards being hunted. Was even jumping to frontline to aoe stun or root and then keep hitting. Or carrying flag if needed. Tarte could do both, help to team and still get nice amount of kills.
Without any doubt rangers are one of the most OP classes in group-pvp. But yes, question is, if there are rangers on both sides, what will they contribute with to their teams for win? Pure k/d hunt is not enough.