5 divisions (solo queue idea)

Can we make it possible that you can only be placed with players within 5 divisions of your current MMR.

I've been playing flex queue as plat 4, and I keep seeing bronze and silver flex players, and I was wondering: 1: how they are in the same queue 2: how it creates a "fair and balanced" game

Lets just all agree bronze and silver shouldn't be in the same ranked game as platinums and diamonds.