Sometimes i feel that after X4 (Maybe X3) that X didn't get too much story as a character. I felt that there was more attention to Zero rather than X.
Zero had someone he really cared about and felt more than sad when he had to kill her.
In X4 there was mostly Zeros past that was revealed. While X had to fight a spy and there was no cut-scene or mention of his past. They should mention X's past before he was an irregular hunter or when he was found by doctor Cain and he should also have someone or something special that he cares about deeply like Iris which Zero had.
Also in X5 i felt it was definitely more about Zero rather than X. Since it was about Zero handling the virus and realizing that he cannot be infected but the people around (Except X) could. X6, despite the fact you have to unlock Zero. Once you unlock Zero, it is focused more on him since Gate used his DNA to power himself up. Isoc also mostly talks about Zero and knows a lot about Zero, it has been speculated that he may be Wily.
Then in X7, X was an unlock-able character and his character development flew out of the window since he is a strong pacifist that doesn't want to fight (until you unlock him) and this time it was focused more on Axl which is acceptable and there's no problem with that because he was a new character that was introduced,
In X8 it was equal since everyone got an equal amount of attention.
But for the majority Zero gets more attention than X. Its not that i dislike Zero since he is my second favorite character and i mostly play as him. But in the end i think X got much less attention then Zero.
Anyway I would like to hear your thoughts and opinions on this. i like discussing with you guys.