Yes, let's keep something as a pet that can eat children.
A German Shepherd could eat a child. So could a Golden Retriever.
Pit Bulls are not bad dogs. They're often owned by bad people.
"Pit bulls" are the quintensensial American Dog, musculear and game. Teddy Roosevelt and Helen Keller had them as pets. The famous Pete the Pup from little Rascals/our Gang was an American Pitbull Terrier and is a good example of the breed - tolerant and protective of children.
"Pit Bulls" (often mixed mixed breed mutts) get a lot of attention when they bite someone but are not as likely to to hurt a person as a German Shepard, Rottweiller, Chow, etc.
Pit Bulls are much maligned. Actually, around little children, they are statiscally far less dangerous than crocodiles, Bengal tigers, spitting cobras and Kodiak Bears. In fact, if Pit Bulls are raised carefully in a loving home environment, properly trained, and brushed daily, they are apt to eat no more than one, or possibly two children a year, and perhaps once in a blue moon, the odd small mail carrier or pizza delivery guy.
This is an acceptable risk, especially given the hours of enjoyment they give their unfailingly intelligent, attractive, and intellectually gifted owners. In fact, IMHO, Pit Bull owners should be allowed to keep these charming pets in their cells.
"Yes, let's keep something as a pet that can eat children."
Your car can commit mass murder.