The core principal is trustless permissionless decentralised money with no third party required. That's still intact.

It's one thing to envision something but when you put it into practice and try to spread it across the globe while maintaining its integrity and security that gets a little more complex and there'll likely be some casualties and compromises made.

And ultimately It doesn't matter what Satoshi's vision is. What matters is what people do with the system he created. He sent it off out into the world and this is what the rest of us have made of it.

If he'd been hell bent on keeping things to the letter he would've stuck around and I'm pretty sure people would've continued to follow him.