I think that was part of the point of the "gift". Those guys were such crap parents that they didn't even notice the resemblance.
(We could also consider that they might be degenerate enough to be into their daughters as well, but I think from how things were described, they just didn't give enough of a fuck about them to remember their faces).
(We could also consider that they might be degenerate enough to be into their daughters as well, but I think from how things were described, they just didn't give enough of a fuck about them to remember their faces).