Is reciting Qur'an like Yasser Al-Dossari, Nasser Al-Qatami, etc, forbidden of makruh?

I heard from an Ustaz (may Allah preserve him) that madd is only one sound (sawt), and it is wrong to play with the sound (by making the sound higher or lower while making madd), like that of Yasser Al-Dossari ([listen to his madd from here] [1] ). This is surprising because Yasser is the imam of the Al-Haram. But does that make it haram or makruh to make madd like him?