Yes, it was a poor choice of terms. To be clear, eval isn't equivalent except within the narrow theoretical notion of turing completeness: it can do I/O, for in

Yes, it was a poor choice of terms. To be clear, eval isn't equivalent except within the narrow theoretical notion of turing completeness: it can do I/O, for instance file I/O. And it accepts high-level language code directly which is very important in a practical sense compared to, say, accepting nand instructions only.