It is not based on spiritual values. No one should fool themselves on this. It is based purely on social values, modern social values, that the women should be dīkṣā-gurus.
Institution is necessary because you are dealing with neophytes, the evil is the neophytes themselves. It is not that the system itself is the problem, it is the system how it is used by the neophyte mentality. If the institution is used for one's own purpose, that's the evil.
http://seminary.bhaktivedantaacademy.com/content/uploads/sc/year1/bg101/2011-01-17-BVPS-BG-9.30-9.34-Accidental-activities-and-consciousness.mp3 This course is part of Sastra-Caksus, Year 1 and consists of 91 lectures, available on: http://seminary.bhaktivedantaacademy.com/classes/bhagavad-gita-seriatim/ Given in Bhaktivedanta Academy, Sridham Mayapur, September 2010-April 2011 The following are lecture notes briefly delineating its contents. We have to be able to separate situation, activities and consciousness. Our situation is generated