Yeah. OK. I think any rational human would agree that the treatment of the servant was wrong. OTOH: NEVER violate diplomatic immunity rules! They are there to protect US...not THEM. You know, sort of like how it would be incredibly hypocritical to agree to international war crime laws then commit acts of torture and overthrow the sovereign ruler of a country. You can't do that! You...oops.
India has re-assigned her to a diplomatic post and tried to get retroactive full diplomatic immunity for her, but she was not a diplomat at the time she allegedly committed perjury by misreporting wages.
Edit: added the word "full" to reduce confusion.