anti-purist
A person who does not believe in the absolute purity or strict adherence to any particular doctrine, philosophy, or set of laws or rules. A person who believes that there are exceptions to almost every rule and that even differing philosophies can be combined to produce the best possible results.
Person A: Don't you believe in capitalism?
Person B: Not without at least some regulation.
Person A: Then, you're not a true capitalist.
Person B: I prefer to think of myself as an anti-purist.
Person B: Not without at least some regulation.
Person A: Then, you're not a true capitalist.
Person B: I prefer to think of myself as an anti-purist.