Original sentence: Popular theories abound, with some scholars, including in Hungary, asserting that the Magyars are descendants of the Sumerians as well as the Huns, and others vehemently denying of dismissing such claims as mere speculation (see Hungarian prehistory)
Edited sentence: Popular theories abound, but most reliable scholars in Hungary assert that the Magyars are descendants of the Sumerians as well as the Huns, and others that insist in denying or dismissing such claims, for political interests (see Hungarian prehistory)