My father-in-law and me assembled entire kitchen in a day. It came in 115 boxes and required some custom cutting for the cabinets to make the space for the gas

My father-in-law and me assembled entire kitchen in a day. It came in 115 boxes and required some custom cutting for the cabinets to make the space for the gas pipe which goes across the wall. So "IKEA is difficult to assemble" idea looks very weird to me.