51% wouldn't directly render it worthless perse.
If you replaced the past year with empty blocks, you would most certainly render it worthless, because it would be considered completely unreliable.
Exactly, hence why I said it ain't viable because it gets more expensive.
And the stakeholders (miners, full nodes and developers) could mitigate it before it gets worse.
Not to mention that there are solutions that evade KYC, and allow you to trade peer-to-peer.
There are and using KYC doesn't make Bitcoin centralization.
The focus is on people's perception.
If people start seeing Guns as a collectible to be kept
Doesn't stop it from being a gun
But it's majorly use has been forgotten.
Hopefully my analogy is understandable.