>>78482702She was best bouncing off the other Holomems. Her leaving basically meant ditching half the reason she got popular in the first place i.e. being the whacky half American in a Japanese environment.
Also it's a proven fact at this point that creativity flourishes in an environment with challenges and restrictions. Not having anything to overcome, work around, or jump through hoops to means you don't have to try resulting in complacency and the lack of interest or will to do anything beyond the bare minimum.