That is not accurate - take a look at Page 9 of the product compliance datasheet: https://downloads.dell.com/rdoc/dell%20alienware%20ryzen%20e...
WOL and similar features do not change power consumption and this is not where the listed PC's fail. They fail on idle/standby power consumption and to be clear - there is NO reason they have to. Similar spec'd PC's can be purchased that meet these requirements.