Is the absence of anyone to pray over the deceased in Abyssinia a valid counterargument against the permissibility of praying in absentia?

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The argument that there was no one in Abyssinia to pray over the Negus is refuted. This point contradicts the opposing view's stance, as they do not permit prayer for the drowned, the captive, or those who die in the desert, even if no one prayed over them. Furthermore, this premise is unlikely because the Negus was the king of Abyssinia who had embraced Islam, making it improbable that no one was available to pray over him.