Spinozian Freedom Stance: Contend For or Against

The concept of Human Freedom is indubitably core to Spinoza''s Philosophical outlook. For Spinoza action alludes to the human hegemony to decisive causal chains. Spinoza maintains that the entirety of beings in the corporeal cosmos are modifications of the same single substance thus not utterly free in the sense of having an aptitude to delve in anything whatsoever. Does this foregoing enunciation proffer a rationalization for Spinoza to subsist within the nomenclatural stricture of determinism or?