Please ask your friends what they think about the training. To pass a tranining or to join a fearless training environment where you can walk out with real confidence is a big difference. Especially when you had experienced this in your previous companies. Maybe EK is not the worst but maybe they got stuck in an old fashioned way and are behind the industry standard nowadays.
I do not say they fire a lot and usually if the do there were reasons but it's not so uncommon as one would think. There is a certain amount of people who fail their initial training. We are talking about experienced pilots who had been in the job for many years and passed the assessment.