Wish I could suggest a solution but....
The root problem is that people hear what they want to hear in music. That's why recording yourself and then listening back with an objective ear is a required training aid.
Thing is there are a lot of folks out there who literally believe the guitar drives the groove, the predominant rhythm element is the kick drum on 1 and 3, and the bass has no role. They listen to the car radio a lot, attend WASP churches, and clap on the 1 and 3. There are a lot of them.
I have an on-going debate with our sound man about this topic. Interesting event occurred a week ago when we went to one of the local indie clubs for an audition. The sound guy there mixed us with a far more experienced concept of the mix, and I'll tell you the bass was way front and center.
What is required is to listen with high objectivity to recordings on a true studio quality monitor and listen for which elements are where in the mix. Thing is, if the person's mind is already made up, you won't be able to influence them. So, you need to navigate the discussion more in the direction of a neutral re-assessment. My 2c opinion and no offense intended to anyone. I believe this is a common issue. Really experienced sound people will get it right, but there are a lot of well intentioned relatively unaware folks out there.