I can understand that it might be hurtful but such tales are part of music and drama and always will be. Greed and a desire for power, betrayal by a lover, jealousy. Othello, Carmen and many more tales are about these subjects.
Theses songs and dramas have been around for centuries.
It seems inappropriate to me to ban them, perhaps we just have to live with them and see them as cautionary tales.
The Greenwood side a classic English folk ballad.
"She leaned her back against the thorn
Oh, the rose and the linsey, oh
And there, two bonny boys, she's born
Down by the Greenwood side, oh
She's taken out her little knife
Oh, the rose and the linsey, oh
And she's robbed them of their life
Down by the Greenwood side, oh
(some versions are
"and stabbed those two boys to the heart")
"Coventry Carol"
Lully, lulla, thou little tiny child
By by, lully, lullay, thou little tiny child
By by, lully lullay
Herod, the king
In his raging
Charged he hath this day
His men of might
In his own sight,
All young children to slay
"Bohemian Rhapsody" by Queen
Mama, just killed a man
Put a gun against his head
Pulled my trigger, now he's dead
Mama, life had just begun
But now I've gone and thrown it all away
Mama, ooo
Didn't mean to make you cry
If I'm not back again this time tomorrow
Carry on, carry on, as if nothing really matters