He has recovered from an injury that could have left him dead or paraplegic and his spine will probably not be 100%. If he still has the titanium plates and screws fitted then these will be additional stress points. He will be competing in a sport that is known for high g-forces, not only in cornering but in sudden deceleration i.e. crashing, something he has proved he's good at. A risk too far.
'Perhaps a mention of the surgeons skill in putting this lad back together would have been nice,or is he just to be taken for granted in this incident.'
No, you presented this as a typical Sun/Mirror/Star 'Headline', no pun intended, implying this was some sort of decapitation i.e. head separated from body, which it wasn't. It's no go good pretending you had an altruistic motive of presenting 'facts'.