beside the point
Meaning: You can say something is beside the point if it has nothing to do with what's being talked about or with the reason something is being done.
- What older people think of the product is beside the point. We are marketing to young people, so the only thing that matters is what they think.
- I eat this food because it's good for me, so whether it's delicious or not is beside the point.
We're just looking for someone to design our packaging, so it's beside the point to ask them about