I have the top left button without modifiers remapped to esc, it's no problem at all. All your muscle memory works just fine, no retraining needed (UHK since 20

I have the top left button without modifiers remapped to esc, it's no problem at all. All your muscle memory works just fine, no retraining needed (UHK since 2018/2019, on of the first batches, and Vim user since late 1990's).