Please give us way to distinguish between new and veteran players (average level)

[Kilta_Firelotus]

There's always two sides to every coin.

You might see it as a way to instill a sense of accomplishment and pride in yourself, but others will abuse this system. It would promote elitism. Say we have a new player. He only has a single rank 30, and thus his collective level is low. Then we have a bunch of people with multiple R50s and a high collective. They might not invite that low player because it's obvious he's new. People might discriminate against new players and require a set "Collective" in order to join groups to perform certain tasks.

Similar to what happened with Gearscore in WoW. I think it would cause more trouble than good.

Pretty much this. Sorry but not all newbies act as you claim. And it is that attitude that made cookie cutting happen in ffxi. People played a job one way all he way to max level then force this build on others. Using the "i got it to max, i know more then you" statement.