Teamspeak is the real advantage
Theres no advantage that a premade of 5 golds on comms has over a rando squad of 5 golds...if the rando squad is also on comms.
People bitch about dynamic queue when they really need to be asking for voice comms to be an in game feature of the client. You arent getting solo q back. Start lobbying for voice comms. Thats going to even the playing field more than anything you are likely to get.