This is a perfect example of why code-compliance is a minimum standard. This looks like home-made sin, but last I checked ugly isn't a code violation.
The only violations I might see are 300.11(C) where it looks like the top group of cables is zip-tied to the bottom group, and 338.10(B)(4)(b) where the top cables seem to be secured at intrevals in excess of 4.5 feet. And both those violations could be fixed by another bag of those UV rated zip ties.
I can say that I've participated in installs very similar to this. Large condominiums, centralized meter banks, literally the only difference between what we did and this was the fact that our meter banks were located within the building and all the SER was hidden inside the walls.
So, does it come down to the fact that the only thing "wrong" with this install is that we can see all the SER? Because I could easily see myself in the shoes of the guy being told he had to run that SER, the real questions is:
How could it be done better?
-John