Monolith vs Microservices - What's the Difference?

The cost of changing those boundaries is high, which means that people are unlikely to do it accidentally or gratuitously. But on the other hand, what happens when you get a business requirement that says actually now you need to change those boundaries? So my fear becomes like, okay, what about when it's not just a matter of code cleanliness, it's a matter of being able to build and ship the product we need to ship?" "I've said to you earlier that I was sort of somewhere in the middle. What I think there is is if you think it's monolith versus microservices, that's just a really kind of naive way of looking at it"