Jaanuu interview questions

I spoke with 4 people in total. They all seemed really nice, except for the recruiter who was super disorganized, and asked me to create a case study with a tight deadline and then ghosted me. I had to write 2 emails in order to get an answer back, and by then she told me she was out sick. After a lengthy and VERY DETAILED case study, of about 18 pages, with mockups, rationale and examples... I-NEVER-HEARD-BACK-FROM-THEM