The multiple universe argument is very much similar to the argument establishing evolution by natural selection as the centerpiece of biology.
Many perennialists consider the terms “sanatana dharma” and perennialism to be synonymous – and conclude that all wisdom traditions end with eternal being. This pause is where Gaudiya Vedanta offers a second wind.
The purpose of the parampara is to keep the force of bhakti alive in the world and to find ways to attract people to the practices and ideals of true spirituality. If strategies from the past are getting in the way of this objective, they need to be renovated or disbanded to increase the receptivity of the public.
Regard for Siva and regard for Krishna are not at odds with one another. If we read and study the Bhagavatam we can find so much room to understand, accommodate, and appreciate Lord Siva.