Well, I am not in agreement with you.
What about the limiting of block size?
What about the implementation of SegWit?
Both done to what you call the 'ONE bitcoin'
Did you know debates are ongoing to make further changes to what you qualify as the 'ONE bitcoin' to allow easier integrations of L2's, use of ordinals and such like that? This idea is supported by quite a few Bitcoin Maxis.
NJOY 2025 🎉🥳
RE: How Solid is Bitcoin? ...Decentralisation under Threat