AMIGAOS4 will die because of GREED pure GREED.
This comment implies that you think there is a significant margin made on every sale of the X1000 which is very far from reality. The margin is wafer thin. The price reflects the significant manufacturing cost of the machine in small numbers.
Moving to ARM or x86 and producing bespoke boards around them will not significantly reduce the motherboard price because the bulk of the cost is the NRE: non recoverable engineering and design costs which we are talking a 5 digit sum of money.