So i might as well give this some closure.
It was the stupid key fob. Not the battery in the fob, the fob was malfunctioning.
Apparently, the fob went schitzo and whenever it was in range of the truck, it would constantly unlock the doors.. including when the fob was in the truck and driving. Which explains why it was constantly happening regardless of where i was, and maybe why putting brand new batteries in the fob seemed to exasperate the issue.
I started to put 2 and 2 together when, i realized that when i take the keys with me upstairs like normal the truck stayed locked, but when i left the keys downstairs, i would find it unlocked in the morning.
Around the time of my last post in this thread, i placed the fob in a rfid blocking pouch and haven’t seen this issue rear its ugly head since.
In hindsight, the steps i took to track this issue, though futile, are things I am glad that i did just cause. For instance, I’m glad i relocated the grounds, etc.
Consider this a case closed. Truly hope those tribulations can save someone else some headache in the future.