Why would a developer be happy to pay 30% to a publisher for publishing, etc, and maybe pay an artist for assets, but not pay a lawyer for legal? It's cost of d

Why would a developer be happy to pay 30% to a publisher for publishing, etc, and maybe pay an artist for assets, but not pay a lawyer for legal? It's cost of doing business. The only reason they wouldn't would be if Apple already sucked them dry with their monopoly rent.