Which Groupset?

Have both AXS (mostly Force, with Red arms/cassette) and GRX Di2 on two separate bikes. GRX ergonomics are good, extra buttons are welcome, but what's up with that noise? Even rear shifting is so noisy (servo/gear noise) is my bike doing the robot???

I've set up both systems myself:

• Di2 cable, even heatshrunk to the hydro hose is fugly. The grommet keeps popping up by itself. And I don't ride it that much either, it usually sits weeks on end, waiting for rad gravel friends which never come (sad face) or are off doing stuff in Epping.
  
• It's a hassle to bleed Shimano hydro in general, can't seem to get rid of all the bubbles with ease. Not the same with AXS and DOT fluid so far. I'm lucky that I purchased GRX with hoses/levers/callipers pre-filled so no serious bleeding was necessary at the start, but my previous Ultegra setup was a nightmare to get right.
  
• Dropped the chain on the FD with AXS just once so far, and it was partly my fault. Shifting is crisp and quiet. 12sp is unnecessary but I'll live with it. Force flattop chain isn't extremely expensive at <30 quid a pop. Setup was easy.
  
• SRAM Paceline rotors are bad if you're doing the CenterLock thing. The interface is a loose fit on my DT240EXP and no amount of torque fixed it in my case. I've taken them off and mounted DA rotors (from Germany as that's where I could only find stock) instead. Maybe should've stuck with Centerline XRs, but the provided rotors were 160 and not 140.
  
• I still have some (3 or 4 I think, as backup) bleed screws for Shimano, made of butter. Also have a specific Wera allen key (Hex Plus) just for the butter screws. Just in case.
  
  
  

10-day edit: Don't use DA rotors with SRAM callipers, doesn't really work. https://www.lfgss.com/comments/16170447/