What you did wrong, wasnīt "did not read about company". It not always necessarily.
However, you did not do good enough research about the interview process.
Last time I went for a pilot-job interview, I did spend about 6 weeks preparing for it. I started preparing for it, even before I was called for the interview, cause I knew I would get a call.
The interview went perfect. Then, horrible performance (bad day) in the SIM, but that is another story.
Now, over to you question. Once you do hold license 200hrs, you will no longer be able to apply for cadet-scheme.
Look at Canadian-section of the forum to find more about jobs. But if you are able to get green card to US, then itīs easy