It serves a practical purpose.

Meaning

The tradition has a useful function.

Examples

• John: This ritual seems a bit strange.
• Alice: It might seem unusual, but <b>it serves a practical purpose</b>. It helps maintain their crops.
• John: Oh, I see. That makes more sense now.
• Alice: Yes, despite its unusual appearance, <b>it serves a practical purpose</b> within their community.