Why XMir patches have been frozen for Intel?

[Alberto Salvia Novella]

Does someone know why we have this 
<http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=58a7611ccfda88c7cbcc62b25b787d6b0fa64081&utm_source=anzwix>?:

    Snapshot 2.99.902 (2013-08-07)
    ==============================
    We do not condone or support Canonical in the course of action they have
    chosen, and will not carry XMir patches upstream.
    -The Management

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