Yes Mbappe is 100 % worthy of winning the ballo'n dor, due to his amazing perfomances at the recent world cup and his current club, he is scoring in big games where many young superstars don't equalize his skill. Also considering his 25/26 season where he was known for his outstanding skills, of his decpetive dribbling razor sharp shooting and great spacial awareness, yes there are other young ballers who compete with him, for example Lamine yamal, but if you look at a highlight reel comparing Mbappe and Yamal in the 26 world cup, mbappe looks more gracefull too watch the goals are mind blowing, its just unfortunate that his team couldn't get through to winning, but as a indivudual I beilive he stands out as the best