Compare to other controllers - Astra has stun and pull/vulnerability which helps the team besides smoking. Brimstone has stim beacon and Molotov. Omen has flash and also mobility to play like a duelist and get out of sticky situation...

Me personally I think the ranked system although isn't perfect, it's pretty good at knowing where you belong. It does heavily favor duo queues, if you cant get to a rank with duo queueing, you don't belong there at all. Solo queue although...