Do You agree with the State Bar of Arizona's recent ethical opinion regarding groupon and other internet coupon based discounts?

In a recent ethics opinion, the State Bar of Arizona recently opined that a lawyer’s use of groupon or other similar internet marketing voucher is likely unethical as it violates ERs 1.1, 1.2, 1.6, 1.7, 1.9, 1.15, 1.16, 1.18, 5.4, 7.1, and 7.2..  You can read the full opinion here 201305E001