Laughing at fifty steps and laughing at hundreds of steps, is the former or the latter more excessive, and the degree is more serious?

Haha, I always say this to my classmates in my dormitory

Actually, this sentence is not serious, it is mainly meant to satirize the person who laughs at others who are wrong but who are also wrong themselves. It's just to ridicule the 50-step guy, because the 50-step guy just wants to find a psychological balance when he laughs at others. He thinks he is better than the 100-step guy, but he himself is also wrong.

If the big fat guy laughs at the little fat guy, I think it should be It would be better to change to another idiom