Yes, most German routes are not built for higher speeds, so it made sense to optimize new trains for cost and reliability instead of speed. But Berlin—Munich h

Yes, most German routes are not built for higher speeds, so it made sense to optimize new trains for cost and reliability instead of speed. But Berlin—Munich has a Vmax of 300 km/h, so it would only make sense to put more ICE 3 on that route. I doubt the ICE 4 info is correct.