I had already accepted a position in a local bank when they called me again because one of my future colleagues wanted to ask me some further questions. I got

I had already accepted a position in a local bank when they called me again because one of my future colleagues wanted to ask me some further questions. I got there and met with a guy who had 3 or 4 "AWS Certified" pins attached to his shirt. He wanted to know how I had learned AWS since I did not have any courses or certifications on my resume. I dropped the position immediately after.