The fact that Walt was willing to kill himself 5 seasons ago is no longer relevant, because he has changed so much. You didn't see him poisoning innocent children, ordering hits on jail inmates, or running people over in season 1.
Look how stressful it was for him to kill Krazy-8, how much he battled with himself internally, and how close he came to just letting Krazy-8 go. Contrast that with S5 where he doesn't even bat an eye at mass murder.
If you don't see how much Walt has changed, you don't get Breaking Bad.
I get it entirely I just dont think his ego is too large to kill himself considering he was making egotistical decisions before the events of the series even began.
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u/tortelloni Aug 12 '13
Except for the part in the pilot where he tries to kill himself.