If you miss out an an airline job there are about three things you can do.
1. Blame the recruiting system and wait for the system to change. This may never happen.
2. Blame the recruiting system and try and get a job with a company that has a "better" system. You may find that all of the good companies have similarly broken recruiting systems.
3. Consider that, hey, maybe the recruiting system actually found genuine fault with you, the candidate, and maybe you could work on changing a few things about yourself.
If you continually blame external factors for **** that happens to you then nothing will ever change.