Leadfeeder Software Engineer interview questions

Sent an application to them through stack overflow. And a first interview few days later and then a code test and then an technical interview. These interviews were weird. Specially the last one, one was sitting in a car or similar and was always going away or talking with someone else during the grilling, the technical interview. Making hard for me to concentrate. The other guy was always showing and drawing one time to explain how inner and outer joins works, when I just explain it correctly. I thought it was because of bad communication first but then I would get followup questions on my correct answer and such. I got the view that it wasnt serious and they just wanted to showing off. In the middle of the technical interview or the grilling as they called it, I gave up as I notice they already had bad view on me and just wanted to deny me. They want some superhero knowing everything if they want 100% correct, which was impossible depending on those weird unrelated questions. I tried to be nice through the interview and after when they said they didn't wanna go further with me I already knew it and answered to get feedback, not sure if they would even help me. But as a check if they follow good manner. They haven't give me any feedback yet.