My understanding is go's interfaces is counter to OO style. It's about behavior, not objects, plus by recommending to users that you write the smallest possible

My understanding is go's interfaces is counter to OO style. It's about behavior, not objects, plus by recommending to users that you write the smallest possible interface as you can, and then compose other interfaces out of those smaller one's, you reduce the surface area of where the expression problem can come into practice!