Even if nostr:npub1sg6plzptd64u62a878hep2kev88swjh3tw00gjsfl8f237lmu63q0uf63m was the sole creator of nostr, and he was left / right leaning, it wouldn't matter. Twitter was left or right leaning because of their ability to delete tweets. Nostr doesn't really have that option, as it doesn't have a centralized authority that can delete posts.