I think you're massively misrepresenting the senior devs you've worked with if you think the reason they've advocated for monorepos is because they're "too lazy

I think you're massively misrepresenting the senior devs you've worked with if you think the reason they've advocated for monorepos is because they're "too lazy to change minor versions". If a monorepo puts a barrier in the way of turning everything into a microservice, then all the better, as far as I'm concerned.