Why does the fifth principle of green chemistry seek to avoid the use of auxiliaries?

Question

Why does the fifth principle of green chemistry seek to avoid the use of auxiliaries?

Accepted Answer

Ideally one would minimize the use of auxiliary substances used in a chemical synthesis since doing so would generally be expected to reduce the amount of waste produced, thus minimizing the potential for environmental hazards.

Sustainable “green” Chemistry

Introduction

Why does the fifth principle of green chemistry seek to avoid the use of auxiliaries?