That is now changing because Microsoft-owned Minecraft Realms is coming to the PS4 and eventually the new PS5. In some ways Minecraft is playing catch up on PlayStation since Sony messed around so much in allowing Cross-Play in the first place. With the addition of Minecraft Realms, PlayStation users will finally have the ability to rent servers for up to 10 players.
Importance of Azure Base
In a recent interview with GameIndustry, Microsoft Studios chief Matt Booty highlighted the process to switch Minecraft to Azure: