Well the level editor did get updated in Beta 1. It’s still a W.I.P, but I thought I’d show you this.
It’ll have different catalog like Baldi’s Basics Classic, BFNSPUE Alpha 6, and BFNSU. He might even add Baldi’s Basics Plus catalog, but who knows when’s that happening.
Also, placing chunks will no longer be time consuming now that you can place more than one chunks.
Besides, I don't think it's fair to compare other level editors like Baldi's Basics Full Remastered Reworked, or Baldi's Basics Plus Level Editor, since BFNSU Level editor is different from others, so let people use whatever level editor they want.