What I don't like about the new Bond is that they made his trauma explicit. It's not like you couldn't guess that Bond is so distanced and flirtatious because he has fallen in love in the past and been deeply hurt.
The character doesn't become more real when you show what can be guessed. Same as Hannibal Lector, you don't need a prequel that explains the character.
That said I nonetheless like Craig's Bond.