Trivializing philosophy is exactly what we ought to do

Your consciousness is that part of the cosmos which correlates perfectly with what it is to experience being you. In the end it doesn't say much more than that you are what you are. It's a trivial tautology. However, all valid logical reasoning is just tautologies anyway and in the end logical conclusions are nothing more than observing the unavoidable.

It is in fact unjustified thought that existence would require a reason. The cosmic wave function may be existence itself and as such it has always existed to the extent that time exists. Its deterministic time evolution among other things corresponds to our everyday experience of movement in time, but time too is just an aspect of existence like any other. We have no examples of things beginning to exist and no examples of things ceasing to exist so there is no argument to be made about the necessity of reasons for existence.

Generally speaking, trivialising philosophy (and all problems) is exactly the goal. This is the way problems are solved. Should there be something one doesn't know which would be necessary to construct a better model, one just records this gap of knowledge waiting to be filled in the future when sufficient data becomes available and stays on track with the best data and models so far until further notice.

There's almost infinite amount of complexity associated with every question imaginable, but if anyone is to get anywhere we must act pragmatically.