I don’t relate to your problem, so I don’t have any interest in your proposed feature, especially since I have a very strong side preference.
That being said I have nothing against it existing, I just wouldn’t use it
I actually had the same idea the other day.
I think it's a problem they have created themselves with the level range of games.
Instead of it being +0.75 / -0.25, it would be better if it were +0.5 / -0.5.
I do start games but am sometimes put off because of this.
Let's sat you are exactly level 2. Do you want to play against a 2.7 and a 2.74 with your partner being a 1.8?