Gorsuch replaced Scalia.
Kavanaugh is replacing the squishy centrist Kennedy.
Kennedy used to be the “swing vote”. If Kavanaugh is confirmed, Roberts will become the “swing vote. Roberts, although compromised, is much more of a constitutionalist than Kennedy ever dreamed of being.
The Court:
Gorsuch
Thomas
Alito
Kavanaugh
Roberts
Ginsburg
Kagan
Sotomayor
Breyer
Exactly. And replacement of another, outright liberal, justice would mean that even Roberts wouldnt be the swing vote.