Hybrowlabs Technologies interview questions

I interviewd at hybrowlabs few days back, the HR contacted via whatsapp,the 1st interview round was scheduled, interview went good, second round was sceduled with the CEO, the CEO seemed in middle of other work, half-heartlly asked 1-2 questions, I was asked to perform some coding, I did as asked, took some time as people are usually nervous during interviews, after completing the task the CEO wasn't responding in the call, before completing the task he asked to push my code to github repo and vanished after the call. Is this how they interview at the organisation? If you dont have time to take interviews, reschedule it to some other time, dont waste other people's time. So after interview next day I asked HR for update, Th HR said that they will ask and let me know, but no response, I messaged again and later got ghosted. If you dont want to hire just repond with we are not going ahead with your candidature, why to ghost the candidate????