The current state of the list is based off of people's opinions from all over, including F2U (where people generally have been around way longer to those quite active in the forums). I don't think any suggestions should be disregarded purely because someone is new either, anyone can talk to others for a glimps into their favourite character's history, which quite a few people do.
Like I said about the 'OG Era', I don't think there'll be a 'veteran era', but that's just my opinion. The community isn't as large in terms of serious competitive play to have that kind of thing at the moment.
I don't think the title is misleading and I'm not sure where in the OP it looks like I'm leaning more towards veteran players, maybe you could quote something on it?
Thanks for the suggestions man! I'll look into them and start adding when I can