I use a A1 in a workplace where Ethernet is preferred to Wi-Fi for security and performance.
Additionally I have not been able to get more than 140 Mbps out of the A1, even with a WiFi router about 40cm from it.
The A1 and A1 mini have two Bambu Bus (BB) ports, with only one being used for the AMS Lite.
It would be a useful feature and a value add to have Ethernet capability through the 2nd Bambu Bus.
I imagine this would be through a Bambu Bus to RJ-45 Ethernet adapter and a firmware update to support it.