Again, this shows that Maay and other groups belonging to macro-Soomaali of non-Maxaa origin are Somali genetically. If they were non-Somali Cushitics, the autosomal Ethiopian value would be very high given that Cushitic ancestry is centrally variably distant across the board, explaining why a South Cushite both get Ethiopian and Somali (lesser for the latter), the reason being why a Tutsi gets Ethiopian and Somali, etc. This is not observed with the people of southern Somalia, time and time again, when we see the samples presented, accounting for minor admixture sometimes.
The linguistics and other anthropological similarities are consistent with genetics. The groups in question are at the Somali core genetically, where the linguistics serves as a good reminder of how that was a genetic migration of Somalis, merely earlier people that migrated.
We should expect more haplogroup diversity in the southern region given that the northern peninsula is just the result of founder effects and perhaps some bottlenecks -- rationally assumed from a desert environment among patrilocal mixed-economy pastoralist-based people. Increasing sedentary lifeways are present in the south, a process that preserves higher linguistic dialect to language divergence and facilitates more lineages. All this is expected. As people see, besides obvious mixed outliers, those people are Somali.