Main and sub service panels concerns?

What concerns do you observe in this General Electric main service panel and the Square D sub panel? :shock:

Do you have a specific question, or are you just fishing for some potential answers?

There’s much to see in those panels and the pictures don’t show much detail.

Found a few concerns with these panels. Was sharing with others to see if they could pick them up.

I can see a double tap on neutral and ground bar lugs in the upper right and upper left of picture 2.
Picture 4 – not sure how those bundled grounding conductors are terminated, but considering the small resolution of the pictures, that’s all I could pick up on.