Continuing to have errors after two years can be normal
I agree with mjames regarding random mistakes. They just will happen and you need to learn to ignore them and keep goingRepetitive mistakes: the problem type is repetitive errors— you make them at the same place, almost every time. The goal is to reduce/eliminate these: when you practice, practice very slowly. If you make a mistake, do NOT keep going, thinking ‘I’ll get it right next time’ (an easy bad habit). Stop and play it correctly several times. You want your brain and fingers to remember the correct way.
Pianosociety from 2009https://www.pianosociety.com/threads/developing-accuracy-getting-rid-of-flubs-mistakes.3926/This one did not appear in Google, tried a number of other search engines before stumbling upon this.
Why do people even repost these things? @quantum, do you just google every post someone makes? Or only the ones that seem familiar or suspicious or to you?