They are neither rude nor polite. But the good news is that they are clearly trying to be professional.
No. They will not give you any cash in chat no matter what you ask them. We tried and were told no again and again.
They certainly could have been a lot faster. We expected them to just take a minute. Sometimes they took as long as four minutes.
They are surprisingly good at their jobs. They take a while but they always come back to you with the right answer to your question.
Their English was just enough to get the job done. No more and no less. But it worked and we understood everything they said.
No. The chat took several minutes to pop up. When it did we eventually got the answers we needed but it took a while.