Not offended, just amused.
Never actually encountered someone who was so fiercely proud of his inflexibility.
Outside of a church, that is.
I've lost a lot of weight cycling and trekking through Southeast Asia, but I can't remember a time when I was unable to touch my elbows together in front of me, or touch my shoulders with my fingertips. Even when I was pushing 90 kg a couple years ago (I'm about your height), at a similar BF%.
I used to be able to put my left arm behind my back, and my right arm behind my neck, and actually clasp fingers at mid-thoracic spine level, but I fear those days are gone. Not because I've become "muscle-bound", but because I've become forty-six, and the rotator cuffs are not what they used to be.
Anyway, I'm glad you are enjoying your limited range of motion. I hope it continues to bring you much happiness and satisfaction.