None. Really, there were none.

There wasn't even a cup of water.

They were extremely rude when asking questions, constantly asking personal questions.

After asking, they acted as if they were being humorous and laughed there.

It had absolutely nothing to do with the job.

At the end of the interview, they even said the supervisor was in a meeting and had no time to conduct the interview?

Then why did you ask me to come? Do you have nothing better to do? This is ridiculous.