I think, one factor of this is attaching your pride or self worth to the product you are building and picking wrong KPI. This thing you are building will prove

I think, one factor of this is attaching your pride or self worth to the product you are building and picking wrong KPI. This thing you are building will prove everyone how smart or [SOMETHING ELSE] you are and the only way to have this happen is to strike at once, shock and awe everyone with your brilliance. You can't simply launch an imperfect product, what that will say about you?