Although Shane's relationship with the Divine Race and Human Race can't be said to be bad, firstly, not everyone in the Human Race harbors goodwill towards him; many people want to use or target him. Therefore, Shane won't fully side with the Human Race. Secondly, he is uncertain about the attitude of the Divine Race, or more precisely, the attitude of the goddesses other than the Three Great Goddesses.
In contrast, he already has a thorough understanding of the Demons and has connections with Ai Yi and Chafne. Aligning with the Demon Clan at this time might provoke some people, but it also shows his stance.
That is, he is indeed different from past heroes, not constrained by worldly conventions.
So, if anyone wishes to morally coerce him or use his hero status against him, they'd better think it over first.
Shane just wanted to express this intention, to make many of the wishful thinkers present wake up.
As it turns out, Shane's move was risky but clever.
