from the reading, my understanding is that the "dark silicon" was nothing but properly functional hardware which was redundant for use with rpi (e.g. ethernet c

from the reading, my understanding is that the "dark silicon" was nothing but properly functional hardware which was redundant for use with rpi (e.g. ethernet controller). if the makers knew what would not be required, why did they wait until the revision to make this change? the supply/demand argument does not make much sense to me especially given the surge in demand they've seen over the year, especially from the commercial arm.