I think the assumption here is that "microservices" means each team is dealing with lots of services. Sometimes it's like that. But if you go by the "one servic

I think the assumption here is that "microservices" means each team is dealing with lots of services. Sometimes it's like that. But if you go by the "one service <=> one database" rule of thumb, there will probably be 1-3 services per team. And when you want to use other teams' stuff, you'll be thankful it's across an RPC. First basic reason is if you don't agree with that other team on what language to write in. It'd really help to see a concrete example of a modular monolith compared to the microservice equivalent.