It is legitimate.
However as long as one honest node remains, the chain is sovereign and can be rebuilt.
You cut it down, someone had it saved on a hdd not on the network. It can be rebuilt. (many people run backups)
The decentralised trust remains. You can’t really kill it without a worldwide emp or something.
This is why its cool, and why you don’t centralise nodes ;)
Read my article if you want to know more.