For methodological anarchists, anarchy = skepticism of power. Relationship Anarchy, therefore, is skepticism of power in relationships.
Is it valid to prioritize romantic relationships over platonic relationships? Is 'enforcing' sexual exclusivity an unjustifiable form of control over one's partner? Is the societal norm of monogamy creating a situation where intimacy is suppressed, strong community ties are difficult to form, and people at large are easier to oppress?