There's no debating that the XB1 as currently packaged, has a higher BoM than the current PS4.
Depending upon which data set/estimate one reads, the difference varies, but it is around the $100 mark (most have it under a $100 difference).
But of course, the production costs don't equal consumer demand relative to supply. The package may cost close to $500 to ship, but clearly, there is a more limited market for that package and all that it includes than there is for a $399 PS4.
At any rate, telling consumers that the XB1 is actually a better value or a better package isn't going to convince anyone who has the slightest clue about what they want to change their mind about what they want.