Its addictive also to spend all your time thinking about scalability and sharding and clustering options instead of making something people use. I never prop

Its addictive also to spend all your time thinking about scalability and sharding and clustering options instead of making something people use. I never proposed that. But leaving doors open for possible alternatives and quick fixes doesn't take much time, maybe 5 minutes of thinking. Sane programming methodologies help, like modularization and partitioning your code in different processes. Scalability and rapid development are not always mutually exclusive.