What is exactly you mean by saying Satoshi vision.
From satoshi's writings, it seems evident to us that Bitcoin was meant to be a 'Peer to peer electronic
cash system'. With the direction core has taken, Bitcoin Segwit no longer can claim adherence to this. Hence, Bitcoin Cash.
Hal finney worked very close with satoshi he was the first person to ever receive a bitcoin transaction and during this time he said right here that bitcoin will need a second layer solution lightning is that solution