A jersey with minimal reflective elements typically has just a small reflective logo or tab, which gives you basic visibility but isn't comprehensive coverage. This level is fine if you mostly ride during the day and only occasionally find yourself out as the sun is setting — it's why most performance-oriented jerseys stick to minimal reflectivity.
If you regularly commute or train in low-light conditions, minimal reflectivity likely won't be enough. A small logo won't catch headlights from all angles the way reflective strips on pockets or shoulders would. Keep in mind that bright jersey colors, while helpful in daylight, don't replace reflective elements at night — they simply don't light up under headlights the way reflective material does.
For dedicated daytime riders or fair-weather cyclists, minimal reflective elements are perfectly reasonable. Just be honest about when you actually ride, and consider adding a separate reflective vest or lights if your plans change.