I was reading "Building Microservices" by Sam Newman, he mentioned that some of his clients moved from monolith to 300+ microservices without going into details, so yeah, that made me wonder about it as well. (it was a decent book otherwise).

:-)

Or non-generalized, custom hard-coded static typed end-points for every single reference/option list and workflow state transition.

Welcome to our little "full 'big bang' rewrite" Frankenstein 4.0 :-(

Not my idea...