Why don't non-Catholics believe that Mary is the mother of God?

[usermitch]

how come non-Catholic don’t no Mary she the mother God:

 

[Augusta_Crowley]

These links should give you the answers that you need. If you have any further questions or concerns that are not answered by this, please [contact Catholic Answers (http://www.catholic.com/contact/contact-us) directly.
Recommended Reading:

• Mary: Mother of God
• How can Mary be God’s Mother, but not the Mother of the Trinity?
• How Can Mary Be God’s Mother?
• Isn’t it blasphemy to call Mary the “Mother of God”?
• Mary, Mother of God