Not really. Magyar is the name in Hungarian coming from the leading tribe of the confederation migrating west. Hungary and all its variations (Ungar in German or even Węgry in Polish) comes from the Byzantine name Oungroi which most likely comes from the Turkic "Onggur" - literally "Ten Arrows" and metaphoric "People". "H" was added by the Latin scholars as the connotation with Huns because Hungarian migration scared a lot of people in central Europe shitless - which was btw later accepted as folk pseudoetymology by the Hungarians themselves since they liked being compared to the Huns despite no provable link between those two people except both being horse nomads.
So it's not really comparable to the anachronistic attempt at revise Kiev etymology, Hungary/Magyar are rather two parallel etymologies in different languages.
Dont we do a similar thing with hungary/magyar?
Not really. Magyar is the name in Hungarian coming from the leading tribe of the confederation migrating west. Hungary and all its variations (Ungar in German or even Węgry in Polish) comes from the Byzantine name Oungroi which most likely comes from the Turkic "Onggur" - literally "Ten Arrows" and metaphoric "People". "H" was added by the Latin scholars as the connotation with Huns because Hungarian migration scared a lot of people in central Europe shitless - which was btw later accepted as folk pseudoetymology by the Hungarians themselves since they liked being compared to the Huns despite no provable link between those two people except both being horse nomads.
So it's not really comparable to the anachronistic attempt at revise Kiev etymology, Hungary/Magyar are rather two parallel etymologies in different languages.