One advantage to shooting the big Does is...
You may not make the mistake by taking a button buck by accident, that could grow into thay P&Y your looking for in the years to come???!!!
If 3 deer come within shooting range and you take the big one, the likely hood is that you killed the mother Doe.
If you shoot one of the smaller ones, and then notice balls when you dressing it, you immediately go to the head looking for nubbies - OPPS!
Shooting the larger one hopefully avoids this.
When in Texas we needed to cull 140 Does for the ranch and these were our instructions to avoid shooting a potential buck.