Samsung Strategy and Innovation Center Deep Learning Research interview questions

I got an email response within two weeks of online application. I interviewed online via zoom meeting. The interview went well. The interviewer asked questions related to the position and skills associated with it. I was extremely comfortable talking to the hiring manager. But, it took more than a month and a half to get a response from the HR. She was very very rude and offensive. It is the main reason for me to reject the offer. I want to be treated a human than a slave at workplace. I loved my technical interview but the HR was unbelievably rude!