As stated before in Beta in this post:
Leaderboards aren’t much of an awe to climb up when you know veteran status and grinding is going to pull those players, while people who have to do other things outside of Evolve will quickly fall off their rank.
Also, people are still abusing the leave system because there isn’t a real penalty other than wait time. People can grab perfect WLR because if they are in a bad spot, they can just leave and not be penalized. Not only does this skew leaderboards, but it hurts players that are still in that game (Mainly the other Hunters) because bots can’t communicate or think in ways the team was thinking. Yes, you can take over, but there will always be a bot.
I don’t know if TRS is creating a ranked system, but in my opinion, a new algorithm needs to be made in order to make climbing leaderboards feel like a challenge rather than a “sit at your seat” grind to the top.