Thus, arguments which claim that "courts should stay out of debates over marriage laws and leave it to the legislature to decide" or "it would be better if these decisions were democratically resolved by majority vote" are -- even if true -- completely misguided and incoherent. Courts have no right to "stay out of" debates over laws if those laws violate constitutional guarantees. It's just that simple.
Very concise statement. Read the rest of it. You'll be glad you did.