The people who approve and design the FAR$ often have never flown a high-performance aircraft, or not for many years. They are quite safe behind their desks with a view of a busy boulevard in Washington, DC, just as safe as your company Dispatchers.
I don't see that the FARS have anything to do with this.
The decision is a pilot decision.
the go-no-go recommendations are based on statistics (100kts and greater) and not about V1, a pilots decision simply considers V1