What are the best practices recommended by GUE that, according to your experience, should be incorporated into the basic open water courses of all the other dive programs around the world?
None. It is a complete system. It shouldn't be ripped apart. Best to experience it with GUE
What dive programs have already incorporated some or most of these aspects?
Very few - because they say it's the instructor, not the agency. But why learn from the copiers? Better to learn it from where it all started ...
Are there dive programs that are superior to GUE in terms of diver safety and anticipation of potential problems?
IMHO yes ... only one though ...
None. It is a complete system. It shouldn't be ripped apart. Best to experience it with GUE
What dive programs have already incorporated some or most of these aspects?
Very few - because they say it's the instructor, not the agency. But why learn from the copiers? Better to learn it from where it all started ...
Are there dive programs that are superior to GUE in terms of diver safety and anticipation of potential problems?
IMHO yes ... only one though ...