@chilipeppermaniac - I've had 4 brand new Gibson guitars and all hummed like this one. My 2003 SG Standard had wiring and it buzzed. All the others had PCB's and they buzzed too.
It's funny when a rep tells you, oh, it's a cable or your amp, etc., and you pull out a second guitar that is dead quiet on his equipment and your new Gibson buzzes like mad.
I fixed the 2016 Gibson SG, which I regret now, because it made me hate that guitar. However, with full shielding and the PCB gone it was almost - ALMOST - totally buzz free. When I got rid of the Gibson pickups, the guitar went dead quiet.
Now here's the thing. I'm big on honesty, so when I sold all my Gibson stuff - 4 sets of Gibson pickups and a complete PCB setup - I marketed them on Reverb: "Noisy take outs from a New Gibson. Noisy Gibson pickups - Brand new."
I also told the buyer this in the interest of honesty. He told me, "Oh, yeah. The Gibson stuff always buzzes like a hive of bees, but its worth it to get that Gibson tone."
So my evaluation standard is different. For most, a buzzing or squealing pickup is acceptable - look at the vintage Fender guys - and I have worked in the studio where the engineer had a guitarist with a Fender walk around until he found the quietest place to play. SCREW THAT.
I like to be able to take my hands off a guitar, to turn a piece of sheet music for example, and not hear buzzing, and not have the guitar crackle and pop as you shift it across your body.
That's my evaluation standard.