New motorhome fridge from Thetford

Sorry to any Jones out there, there are appliance manufacturers out there that are making simple camping/ touring a minefield, i carry a laptop and diagnostics kit for some appliances, they are making the equipment far too complicated, simple and easy to repair is best, it is becoming harder to keep spares as the parts ie PCB,s are excessivly expensive, good business for me bad news for campers, why do fridges need digital displays, as heating systems, if people want to beat their neighbours in must haves its okay by me, but think about it really, your CAMPING