Although that's most likely true, the answer is much more simplistic. The Glukkons do not have hold of the Mudokon Queen. The Vykkers do. The Vykkers obviously make a huge profit selling all those Labour Eggs to the Cartel, so the Glukkons are probably always looking for opportunities to kidnap native Mudokons, and the expanding of their territory into Necrum allowed them to do just that in Abe's Exoddus.
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