I’m a little surprised they gave her 2 to 6 years jail time. The two women didn’t hit each other and Donovan threw water on Brinton before Brinton tried to pump gas on Donovan. I know pumping gas on someone is bad but there doesn’t seem to be evidence that she did it in order to set Donovan on fire. It seems more like a stupid, unthinking reaction to having Donovan throw water at her.
She had a drug prior. Plus the gas situation was very serious.
Comparing the dousing with water versus with gasoline is like comparing apples and hand grenades. Far more dangerous with gas and given the additional circumstances. The sentence is appropriate, imho.