WEX Information Security Engineer 3 interview questions

They came to me on LinkedIn to schedule an interview for Wex Brazil Tech more then a week ago and asking if I'm evaluating the market. The interview was rescheduled twice, and in the second cancelled completely without message or context. I checked the link they sent me on LinkedIn and the job opening had been removed. They made me change my schedule twice and gave no reason to cancel, even if it was a message saying that the job was filled or removed in addition to not answering the emails I sent asking about. Total lack of empathy and preparation of the recruitment team. Total waste of my time.