I was a solid silver gamer for a few months (been playing about 6 months) and in the past 6 weeks I rose from peak silver 1 to platinum 1. Honestly, there is VERY little difference between silver games and platinum games other than you get...

Overwatch has a separate queue where Devs can experimentally balance heroes. I think experimental changes for agents or maps will be really fun to see and will keep the game fresh and exciting between patches.