In case it wasn't too obvious here is the wiki page... since I wasn't too familiar with him.
> He opposed Fascism's later exaltation of existing institutions, terming them "reactionary," and, after walking out of the 1920 Fascist party congress in disgust, withdrew from politics for three years.
The actual manifesto looks better than many countries have today: https://en.wikipedia.org/wiki/Fascist_Manifesto
> However, he remained a notable force in developing the party philosophy throughout the regime's existence.
Not to mention his antisemitism.