Not necessarily. First, let me define white carbs. These are lower fiber carbohydrates, like white rice, white bread, regular pasta, white potatoes, you get the idea.
Why are they labeled bad? Since white carbs are low fiber, they digest more quickly than their higher fiber counterparts. This leads to a bigger blood sugar spike, higher insulin and hindered fat loss. Additionally, they can leave you hungrier faster than the brown ones.
Does that mean all white carbs be damned?? Not so. By adding other items to eat with them, it slows digestion and the bad stuff above. This could and should be protein, fats and veggies. It also could be fiber from these sources.
Final verdict: if you want to do white carbs, make sure you are offsetting with slower digesting food combos.