Knowing your dog has receive sufficient preparation does not mean every eventuality, but a range of different conditions so that when the unexpected happens they will draw on their skills and solve the issue.
The non-experienced, or current generation of imposters, have attended a course, read a book, got a certificate and have yet to gain experience to deepen their knowledge or understanding of the subject, protocol, method …
A no-training day does not mean he gets a lazy day lying idly in the sun. Learning is still happening and this is significant and important for his development.
The more I see “sit, down, come, stay heel” as the essential basics the more I am moving further away from the general view of living with dogs.