Yea, my 3 cents on the matter are detailed here: Carriage Tolerances - Unusable Over Distance >75mm From Center
My platform was 1mm out, and also you can watch the video of the dial indicator going around one of the “flats” showing 0.003" of rise across the diameter - nuts.
The replacement platform I got was also 1mm out. And I had to shim the flats with masking tape to get the laser platforms level.
The solution from snapmaker support was loosen all but a couple screws on the heated bed and let it “float” since it’s flatter than the platform 