It seems overzealous but they might be doing this to maintain FCC licensing. Speaking from experience, different radio/antenna combinations can leak different k

It seems overzealous but they might be doing this to maintain FCC licensing. Speaking from experience, different radio/antenna combinations can leak different kinds of noise which would prevent you from getting certification with certain combinations. Their laptops might be noisier than the competition and with the added overhead of supporting different WLAN and Wifi cards with the built-in antennas they went over the edge.