After he showed him what a beinoni of Tanya is (someone who has a yetzer hara but never does any aveira, big or small,
I admit unfamiliarity with mesillas yesharim but based on what I do know, what you describe is the norm. There are the born tzaddikim who are the rare exception (such as Moshe rabbeinu who was born mohul, which is apparently can be a sign of such),
Moshe rabbeinu worked on himself to make himself a tzaddik (maaseh where they brought someone to draw him)
Additionally nowhere does it term benonim in Gemara like you, Benoni could be either someone that is �50/50� or someone that has at least one mitzvah
We say Yosef is Yosef hatzadik because he was ???? ?????? yet there are four people who didn�t sin and only died �because of the ???�
And I highly doubt the ??? ????? thought he was a ??????