Charging curve reality check: 150 kW only on paper?

My car advertises 150 kW peak DC. In practice, on a 350 kW charger, I see about 148 kW for ninety seconds around 20 percent, then it slides to roughly 100 kW by 40 percent and sits near 60 kW past 65 percent. The curve clearly matters far more than the headline number.

Does anyone else find the advertised peak almost meaningless for trip planning? Also curious whether pre