You're confused, young man.
Hype is an over exaggerating statement. For example, ''Hiruzen was said to be most powerful Shinobi of all time'', a statement such as that would be regarded as hyperbole, since the bold word is an indication. In Hagoromo's case, there was no word regarding his creation of Ninjutsu to be a hyperbole. Jiraiya made it a historical statement. Madara, arguably the most acknowledged character, confirmed it a fact.
If you want feats, his Rinnegan gave him mastery over every Nature Transformation (Nagato is a case of this), his Nature Transformations are all imbued to his Gududama, and he possessed Madara's, Naruto's and Sasuke's abilities in his arsenal. He has feats for his hype.