There are always alternatives ( of which one may not be aware or unwilling to accept).
But when there are alternatives, then, there cannot be finality.
Whatever academic labels we give or in whatever way we may choose to verbalize, any type of identity oriented constraint restricts the options.
Having said that the present day self proclaimed liberals want only their version of liberalism to be acknowledged as The Liberalism.
Basically our understanding depends on our frames of references which get restricted through our identity affiliation based on ideology veneration be it religious, political, socio- cultural, regional, linguistic etc