Why do people in this comments act like App Store stop exist the day sideloading allowed? Stop choking on that apple pie and calm your juice! geez
You don't want to sideload? Great! Hypothetical reduced security for sideloading users? Also great! That is their phone, their choice.
Now revert the double clicking crown to bring back last app.
Or better yet just revert watchOS 10 to watchOS 9.