Even in such a simplistic, almost anti cinematic form this little drama manages to be unnerving, compelling and scarily plausible. The unpolished nature of both its script and actors adds a touch of realism that unknowingly hooks itself into you. Bubble shows how the vile side of human nature exists even in outskirts of the US.
Soderbergh could record leaves blowing in the wind with a camcorder and I swear it would still be fascinating.