Totally agree with your skepticism. Even the Uralic-Altaic superfamily has been rejected for decades (http://en.wikipedia.org/wiki/Ural%E2%80%93Altaic_languages

Totally agree with your skepticism. Even the Uralic-Altaic superfamily has been rejected for decades (http://en.wikipedia.org/wiki/Ural%E2%80%93Altaic_languages http://en.wikipedia.org/wiki/Ural%E2%80%93Altaic_languages), let alone a combination of seven families.