Originally Posted by
MoAlpha
Naive question: Is there any reason to futz around with a Shimano system if the feel is still nice and solid?
This ^^
I don't believe Shimano suggests scheduled maintenance for their hydraulic brakes. Unless you break something and the fluid gets contaminated by debris or other particles, I would not change it.
If you need to bleed your system after such short usage, you have a bigger problem IMO.