Amazon Project Manager interview questions

I applied, was sent an email (no phone calls throughout the process) about a week later to put in my availability for a phone interview. Interview was scheduled the following week with the hiring manager. The interview went for an hour, despite some technical hiccups through Amazon Chime (common, apparently) the process was relatively smooth. I was receiving positive feedback in the interview based on my answers and fitting in with management style/team and compatibility. In all honesty, I like to believe I can read situations/people and I typically prefer to take a humble approach but I left this particular interview feeling positive, however I received an email two days later - that was very generic and not tailored to me - stating they had decided not to continue with my application, with no explanation as to why. I wrote back and politely requested for feedback that I could take on to improve/grow in future and have not heard back, I am no longer holding my breath for a reply. I understand Amazon gets mountains of applications for roles, but my expectation of following up an actual interview would be a much more personal approach. The email itself was very templated and I'm incredibly dissapointed they havent even replied to my request, let alone provide feedback. A shame as Amazon was obviously high up on my list of companies and had they approached this experience differently I would have applied myself to strive for success at a future role, however this has left a bad taste.