Estella is cruel but she also suffers. How do you judge her in Great Expectations?

Estella lived in Satis house as a child with Miss Havisham, who is her adopted mother. While living in Satis house she didn't have any child friends, apart from the ones she would mock and use. This has mentally scarred her, as she is trapped in Satis house and now she has missed out on a childhood. Instead of having a childhood she has had to compete with the Pockets and the their scheming against her to gain miss Havisham's money. So this toughened Estella up, as she had to be cruel to survive, against everyone.
All this competing made Estella have an abnormal childhood, which resulted…