If your parents break your rules would you decide cut out the privilege of seeing your child?

I will say this not is a privilege not a right for Grandparents to see their grandchildren. During the time I was in Texas my mom ask she wanted to see my kids of course just for a while so my husband and I we are have rules family relatives must followed and we are a strong Christian family sadly some family members Catholic. My son told me that grandma allowed him to watch Harry Potter movies not only that but give him Oreos instead of a healthy snack and she teach him the song of the Cross saints and a lot of Catholic garbage and used profanity words Infront of my kids I was angry and furious guess what that demonic woman who shouldn't been my mom lost the privilege of seeing my kids. I give the woman a chance and she broke the rules. My husband and I we were very angry and unhappy a lot of family members from my mom side of the family turn against my husband and I. Honestly negative toxic people need to be cut of if it's unhealthy for the kids.

Updates
10 mo
I know I will get a lot of hate. But if my mom was a good woman and a good citizens I wouldn't have to make this decision. But I was told by the police if my mom is very violent then it is ok for me to cut her off completely and I am not obligated for her to see my kids.
If your parents break your rules would you decide cut out the privilege of seeing your child?
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