SOLID and a dozen of DPs and you get there pretty fast. Then you rewrite by another team with their interpretation of SOLID and another dozen of "better suited"

SOLID and a dozen of DPs and you get there pretty fast. Then you rewrite by another team with their interpretation of SOLID and another dozen of "better suited" DPs and you get there again. On 3rd iteration you just buy something as a service that covers 80% of your needs and consider the rest 20% non-essential business. And life is finally good.