The centering bugs are important. They show attention to detail. Humans are wired to see such sloppiness as indicative of deeper problems. If they can’t get the easy stuff right, it saps your trust that they got the harder stuff right.
If they can’t get stuff you think is easy right, it saps your trust that they got the things you think are harder right.
Centering is not easy. Apparently. It requires human eye to verify. I can prove my decryption algorithm works. I can’t prove centering works.
Apple built their entire brand around this ethos, and being willing and able to execute it better than any other brand. Letting it slip undermines the Apple brand, which is the entire company.