> And a cross-concern fix that a dev used to be able to apply by himself in a day, now has to go through 5 teams, 5 programming languages, 5 kanban boards and 5 QA runs to reach production.

If you ever find yourself in that situation, rest assured that something went wrong way before the decision to use microservices was made.

If your systems are that tightly coupled you'll have problems regardless of architecture.