WE can even over analize this ... Jilla killed MC inside for good.
MC is now flaccid and totally iredeemable, lost in translation and inactive.
MC just watches the girl get railed in the street, a misdemeanor/fellony,
we do not know what a police officer would slap on the guy or the girl for that.
MC should have realistically berrated them and almost beaten them up for it.
You cannot live in a house where murder took place and allow pimps/whores illegals
around, because then you are inviting criminals into your life and effectively letting
a possible sex molester, even if he paid or blackmailed that little girl into letting him molest her,
who is to say he would not do this to chloe right away, the very next day, right there or
at the party or in the streets around the party Chloe is invited to.
I agree with about the Jilla part
MC thinking that girl would be Chloe if he did not intervene but not putting a stop
to the actual real threat that a pimp/sex offender/bully/ woman beater lurking around,
it makes all his shenanigand on the roof moot - he did nothing of what he had to
in order to make sure there is a worthwhile living friendly environment for him and Chloe
in their appartment building.