Why is there no refund for the 48 hours maintenance?

[Vrankyl]

2 days is excessive for a "live service." Meanwhile, all other games I've played only have less than 12 hours of maintenance. Some even don't have maintenance, they update on the run while you're playing the game.

It's honestly the norm for Sub MMOs. Both WoW and ESO go down for maintenance to launch updates. While WoW might not do 48 hrs in a row, most expac launches and major patches end up needing about that much maintenance in the first week if you add up the extended maintenance and emergency maintenance's Blizzard does. SE just gets it all out of the way in one go.