They have to be taught, and discipline is part of being taught. But they are not born evil.
We have inherited that nature. Doesn’t take too long to come out. Fortunately there is a solution eh.
As I said, they are NOT born evil or good. The are born dependent and innocent.
Parents are responsible to “Train up a child in the way he should go: and when he is old, he will not depart from it.” Proverbs 22:6