Eurorack modules are so expensive because they are mostly niche products made by one man shows (like Émilie Gillet). The exotic takes on synthesis and user interfaces are exactly what makes them worth every penny to me. Behringer is using their vertical integration to bring classic and well known synthesis concepts (and UIs) down to attractive price points. I don't think they are in conflict with most of the Eurorack folks (except perhaps Doepfer). I'd be surprised if they start cloning Make Noise modules.