^I get what you are saying, but you might find reading about the
Watchmaker analogy if you haven't already done so. It offers some insight into the idea of whether complexity is indicative of design.
I feel that workings of the universe in general is hard to accept as being random. There appears to be so much order that is suggestive of a structured and purposeful intelligence... But, consider the idea of entropy and heat death; the universe could be heading to an inevitable state of neutrality, where all matter is dispersed evenly and there exist no differences in temperature and other physical properties anywhere in space. Our current era could appear complex simply because we happen to exist at a time of 'ordered complexity', which is nevertheless just a random, temporary epoch which presages the almost eternal slide through entropic dissolution. And we may only be able to exist at such a given time, when matter is denser and more easily intermingles. That perspective, if it made sense at all, would say that this creation, such as it is, appears purposeful because of our short-sighted point of view. In the 'real' and timeless view, our world will leave no traces as it, too, is scattered across the skies. I don't think this idea has been proven by any means, but
if it was, I feel that it almost removes the concept of an active, ongoing creator entirely. It still allows for my own personal 'belief', that of the once off, universe-creating god/intelligence that set the whole thing going, and then stepped away...