It's not REPL-driven design, it's REPL-driven development. You don't design by driving a REPL, that would be stupid. It seems Bob has lots of misconception and

It's not REPL-driven design, it's REPL-driven development. You don't design by driving a REPL, that would be stupid. It seems Bob has lots of misconception and is blaming his poor design on the REPL. Haven't read such a hollow article in a while.