Larry the white that 'vanishes' actually dives down the left hand 1/2".
Looks like a hex head Tek screw holding the grounding lug.
The paint was not cleaned off at the grounding lug.
There are two conductors in a terminal that is rated for one (IMO)
The neutrals look less than 6"
That group of funny blue cables might be better off in a separate enclosure.
And it's missing the cover.