We understand how someone would believe this.

However, Africa has smartphones, and Africa has currency problems. There is a demand for something that can protect value for Africans when faced with aggressive government monetary policies created to steal value. The fact that Africans use mostly smartphones and cellphones is not so much a limitation, but it's an important fact when deciding which type of cryptocurrency would best suit that target group. This is why we agree with you that POS/DAG is a good solution for this problem.