Updating SQL drivers, etc, is not trivial because you don't have control over the code, but if you have enough integration tests (or at least proper failure handling) for your separate library then you can update with the same frequency as microservices.
I think it's fine to do this thought exercise, but you're massively discounting the difficulties of microservices, while making up obstacles and mocking ("Franken-monolith") every other suggestion. Any company that doesn't already use microservices (and doesn't also have people with experience building infrastructure for them, rather than just using) is gonna have a harder time with a microservice solution than you currently do. It is perfectly fine to extrapolate from your own experience, but you're discount things without any research whatsoever and saying "nobody knows about it" or "nobody uses it" in a very disrespectful way. Another post of this discussion about code ownership is exactly the same: it takes literally seconds to write a simple codeowners file in GitHub, while you make it seem like it would be an Sisyphean task ("an uphill battle") compared with microservices just because you're not aware of it. Some things are not hard, maybe you just didn't heard of them yet.
Updating SQL drivers, etc, is not trivial because you don't have control over the code, but if you have enough integration tests (or at least proper failure handling) for your separate library then you can update with the same frequency as microservices.
I think it's fine to do this thought exercise, but you're massively discounting the difficulties of microservices, while making up obstacles and mocking ("Franken-monolith") every other suggestion. Any company that doesn't already use microservices (and doesn't also have people with experience building infrastructure for them, rather than just using) is gonna have a harder time with a microservice solution than you currently do. It is perfectly fine to extrapolate from your own experience, but you're discount things without any research whatsoever and saying "nobody knows about it" or "nobody uses it" in a very disrespectful way. Another post of this discussion about code ownership is exactly the same: it takes literally seconds to write a simple codeowners file in GitHub, while you make it seem like it would be an Sisyphean task ("an uphill battle") compared with microservices just because you're not aware of it. Some things are not hard, maybe you just didn't heard of them yet.