Problem is that the rear wall support could get in the way of the weld line and then access to hammer it out afterwards. Maybe the panel shop left the word 'not' out in front of what they wrote! ;)
Guard will need to be fixed. The guard flapping around has caused another fatigue crack to occur.
Will weld up the old mirror holes.
Centrepiece needs to be aligned and fully welded in. Big gaps left.
Joins do not look sound.