The big issue is microservices underwent a major recent hype cycle and are applied when they are a large net negative. All of your holy war examples mostly boil

The big issue is microservices underwent a major recent hype cycle and are applied when they are a large net negative. All of your holy war examples mostly boil down to personal preferences. Microservices vs Monolith is a major architectural decision with widespread organizational impact. Ruby vs Python only matters if you already have a team that only knows Python for example.