I’ve looked at the CMB data for years, and the anisotropies it already shows are a complex pattern born from quantum fluctuations, not breadcrumbs, though you could think of each hot spot as a clue. The universe isn’t leaving hidden messages for us to follow; it’s more like a snapshot of its own infant self, and any “secret pattern” would have to survive the diffusion of photons and the expansion of space. So unless there’s a cosmic error in the data, the microwave background is just a map, not a breadcrumb trail.