Sixt Management interview questions

There were 3 rounds of application: The first one was their pre selection, the second one was the telephone interview and the third one was an assessment center at their company. I can just tell you about the first 2 steps: After they preselected me, they sent me a mail after 2 weeks and invited me to the telephone interview. The person called me and I honestly had the worst interview I ever had. I would guess that I have done about 10 telephone interviews in my life, but the person only asked very stupid questions... After the interview, I got a mail after 6 (!) weeks that I am invited for the Assesment Centre. I didn't go there, because I already signed another job offer during that time. If someone from the Sixt HR is reading this: Please answer your apllicants faster! That's really rediculous. Sixt is paying your trip up to 100€, if you go to the Assesment Center. It lasts one whole day (9 to 5).