How your data is safe in Hyperledger Fabric when one can make changes to couchdb data directly

Question

I am wondering that how your data is safe when an admin can change the latest state in Couchdb using Fauxton or cURL provided by

Answer 1

"a state reconciliation process synchronizes world state across peers on each channel. Each peer continually pulls blocks from other peers on the channel, in order to repair its own state if discrepancies are identified."