They wouldn't have time to hear it because they'd be trying to fix their local dev environment.
I worked for a company that had done pretty much that - not fun at all (for extra fun half the microservices where in a language only half the dev team had even passing familiarity with).
You need someone in charge with "taste" enough to not allow that to happen or it can happen.
Probably =), or Conway's law was always about the lower ends of the communication nodes in a company graph. I think it's time we also always include the upper ends of our cognitive limits of multitasking when we design systems in relation to organization structures.
I worked for a company that had done pretty much that - not fun at all (for extra fun half the microservices where in a language only half the dev team had even passing familiarity with).
You need someone in charge with "taste" enough to not allow that to happen or it can happen.