Great story, inspirational. Most of us went through something similar with the training. You were very fortunate to get the job so soon after you finished training. That's the hurdle many fall at, the last one. Getting the actual job.
I liked Top tip no.2. I believe failing to prepare properly for the interview is the downfall of many a budding airline pilot. This is a telling comment 'In short, I was prepared. Which is no more than they expect. '
Others would do well to note it.