There is an interesting segment of the film "IBM Centennial Film: They Were There - People who changed the way the world works" that talks about the initial UPC process. (The entire video is worth watching, lots of good stories)
I work very close to the Pittsburgh skinny building (commercial, not residential) https://en.wikipedia.org/wiki/Skinny_Building. For some reason it gets a full street number, no 1/2 address at all.
I'm running a Touch Bar MBP connected to the LG UltraFine 5K with no visible problems FullScreen or not on the LG panel.
Resolution is set for "Default for display" and I run Flux. Initially I had some issues with the monitor that went away when I got a new USB-C cable. Perhaps that would help...?
Feedbin[0] for managing and viewing from laptop, Reeder for viewing on iOS[1]. There's 75+ feeds in my Feedbin account - a few need removed but I'm sure I have a few to add as well.
https://youtu.be/p2KQiX57TT8?t=695