Oh really? I thought it was pretty simple... as far as network equipment goes.
I would consider this normal.
This amounts to basically allowing the iPad and board to find one another on the network (assuming each received DHCP addresses from the WiFi router) and selecting the desk you want to communicate with. Not that big of a deal.
I would not consider it normal for any mixing console to have a built in WiFi. Network standards for wireless transmissions change surprisingly often. Yet Ethernet networking has been with us for a LONG time. This allows you to update to the latest version of network hardware without having to replace your whole mixing console. I would consider this to be a bonus!
I generally carry my own router with me and I expect to do this kind of thing, ergo it is not that big of a deal.
It does seem to automatically re-discover the mixer after you allow the iPad to go to sleep, so you may need to re-sync with the board to get all the channel labels to come up correctly each time. It does not seem to "store" any information to speak of.
The bigger issue with this system is that you only have access to fader levels. You can NOT get to the channel EQ, dynamics, etc from the iPad. I find this to be completely unacceptable. Thankfully I was just using it for a basic talking head gig with a couple inputs and a handful of outputs. I would not be happy using this thing in a proper band situation.