dungeons, instances, open world nms etc. need more tactics and much more difficulty. So seeing people with a great drop or a very good team/ls with the great gear shoudl be enough so people know that you are at least not a complete game-retard.

It wouldnt be that obvious but people would know, oh damn he has this XXX gear, cool stuff, and they perhaps try to work to get that stuff too... something like that...