For starters, throughout history, culture and civilization have generally moved from the north toward the south, not vice versa.
Regarding the Axumite Kingdom and the question of who its true heirs are
for a reason, The surname Abebe is common among Amharic speakers, while Abraha and Atsebeha are well-known names in the north
Frumentius, who later became known as Abba Selama Kesaté Birhan, first arrived in the area of present-day Nakfa, later travelled to Karneshim, and eventually reached Axum. He is the bishop who introduced Christianity to the region. Dont tell me, he arrived in the jungle of Gojam and then he spread christianity to the rest of the region
Saint Yared (Kudus Yared), the father of Yaredawi Zema, created a musical tradition that still shapes the way we worship today and remains a unique cultural heritage. The southerners, probably they were beating drums like their bantu kith and kin in the jungle of Berrera which later become addis abeba.
The legacy of the Axumite empire , its history, culture, and spiritual traditionis is rooted in the north. Southerners have neither legal nor moral authority to claim them. It would be similar to suggesting that Sicilians have a stronger claim to the Roman Empire than the people of Rome and central Italy.
I rest my case