Babies left in hot car, did she do the right thing?

My friend went to the store and when she pulled in the lady beside her was sitting in her car with two kids in the back. One was a baby and the other probably 3-4
She was finishing off a burger when my friend went inside.
My friend shopped for about 30 minutes and when she came back out she noticed that this lady left her children in the car, without it on. 
She opened the door to her car and it was hot so she knew they were hot. She wanted to bust the windows but just called the police and the dispatcher told her some people don't deserve kids. 😳 it's 74 degrees outside today.  Do you think she did the right thing? I would have gone all in and busted some windows while calling the police. 
Don't leave your freaking kids in the car. 

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