To be fair to PostgreSQL, it has multiple replication setups because they have different inherent properties. For instance, it comes with built in streaming and logical replication setups. Which should you use? It’s impossible to say without knowing your own exact use case.
By analogy: should a database cluster optimize consistency or availability? Answer: there’s no way its author can guess which is more important to how you want to use it.
By analogy: should a database cluster optimize consistency or availability? Answer: there’s no way its author can guess which is more important to how you want to use it.