Why Sabayon isn’t Gentoo

I think AllenJB explained very well why Sabayon isn’t Gentoo:

Sabayon is considered ‘close’ to Gentoo, but not necessarily ‘very close’ (atleast in my view). The reason for this is because Sabayon uses its own versions of some pretty major packages (browsing through their overlay, I see packages like grub, xorg-x11 and xorg-server to name just a few).

The problem is not that we (the Gentoo community) don’t want to provide official support, it’s that we can’t (beyond a certain point). Sabayon provides its own version of many packages and these seem to (sometimes) lag behind the official Gentoo tree. A case in example:

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