There is a reason why Nero had to wait over 20 years to continue his 'search for Spock'....
There is a reason why Nero had part of his right ear taken off, and scalp marked.
You didn't think Robau was going to let Nero off easy after the Romulan destroyed the Kelvin in front of him?
Nero was so upset, he had to destroy Klingon vessels....before his 'Spock revenge'...
The scene is too intense to be included in the 'deleted scenes.' According to the production notes, Abrams couldn't bear to film that sequence due to its intensity.