Why does the "old monolith" need to be broken up? I'm all for ending old software when the time comes but not everything needs a rewrite to microservices. Sup

Why does the "old monolith" need to be broken up? I'm all for ending old software when the time comes but not everything needs a rewrite to microservices. Supporting two development paradigms isn't really a thing any reasonably sized organisation should be concerned about. Especially when you're talking about adding one more build process to hundreds across all your services.