That's my point. Any tech can (and is) used for this. There's really no point in putting word "code" there. It adds very little additional context. Only in my opinion mostly serves the other goal - to sell.
By code doesn’t mean all code it just describes the modus operandi to distinguish them from the old type that used oil for instance
You can argue the same for the capital that goes in. It’s used for what it’s used. By itself it’s neutral.