So true
Absolutely! Actually, you can and should calibrate each roll. Quick and easy unless you run into fan/overhang/retract issues. But you have a head start on that 
An older thread, but with a hopefully useful starter on calibration using Orca with more options than Bambu Studio: PSA: START HERE! Calibration made SIMPLE & please SHARE User Tips!
In one of their ad’s Bambu states, that they themselves have NOT achieved the perfect printer. “Just” the best printer they could come up with in the time and with the resources they had available.
Compared to what was there beforehand, it is a hughe step in my opinion.