I kinda like it, solution 9 looks like Clyez city from PSU with purple skybox.
The pvp gearset and npc gearsets from there look straight from PSU (google Vol brothers/Ethan waber).
I love phantasy star but i cant help but laugh at that move in the final trial with the Brain wall obstacle.
You cant blame the formulaic nature of this expac and move the blame to other game or developer, square and creative business dropped the ball hard.

The weekly maintenance thing from PSO2 is something from the 2012 era btw, nothing to do with "bugged content" or "bad content".