Spacious Software Engineer interview questions

The CEO was late and unprofessional looking. The job ad describe this post as 70% time is about doing development and update on the existing platform. But the CEO straight forwardly said at the interview that most of the time I will be doing non tech things, which means updating random content and reading data files, which is not the thing they describe in the job ad at all. I had been wasting time to come to this interview. The CEO also have this sneaky eye and arrogance you can see from his face, didnt recommend