According to ConcertHotels.com in The Vocal Ranges of the Greatest Singers, there are only two singers with 5 octaves or more: Axl Rose of Guns N' Roses – 5 octaves, 2½ notes (F1 to B♭6) Mariah Carey – 5 octaves, 1 note (F2 to G7)
I am as unmoved by Axl as by Mariah.  All vocal gymnastics in the service of 2nd rate songs and over -produced/engineered records.  She doesn't like to perform live, and is a well known lip-synch artist, especially when required to perform out of doors.  Get outraged over something more important.