Fabletics interview questions

I was requested to do a case study which is basically free work because it is directly based on their subscription model. Then, I was invited down to the office for a final round interview where the hiring manager did not show up because she was sick. No one bothered to inform or reschedule my interview. I was disappointed that the hiring manager went radio silent after and just seemed like she didn't value my time for going down to the office. During the interview, someone was even staring at her fingernails. It was unprofessional. I was rejected in the end because they went with a different candidate that had more 'direct experience in their sector'. It was a hurtful reason to reject me as I showed potential through their case study despite having no direct experience. I even had to follow up days after to get a response. Given the time I've invested throughout this 1 month process, they didn't value my time by sending a generic rejection email and did not include any concrete feedback regarding my performance or application. It was a disappointing experience overall and have left me a sour feeling with this company.