The Good Food Institute (US) interview questions

I went through a series of four interviews. I also completed a series of written tasks. After the fourth interview I heard nothing. Emails from me requesting an update went unanswered. A month later, I saw the position re-advertised. That asking why I had not been informed and received an email telling me the person responsible for informing me had gone on vacation. Unprofessional and profoundly disrespectful.