If I read that right... that Sudoku sllver only got as far as becoming a Sudoku board API, aka a object wrapping an array? And the article spends more bytes ta

If I read that right... that Sudoku sllver only got as far as becoming a Sudoku board API, aka a object wrapping an array? And the article spends more bytes talking about whether some code is YAGNI, than the amount of bytes in the code itself?