The secret to excellent execution is an excellent set up. A worker may wind up with an excellent result every now and then, but for one to consistently achieve excellence, that excellence will only happen within an intentional framework and a proper set up.
Every experienced painter will tell you that applying a topcoat is the easy part. It’s the hard, behind the scenes prep work that outsiders pay no attention to that makes the difference. The painter’s goal is indeed to apply an excellent final topcoat, but that will only happen with the proper set up.
Every job takes a certain, minimum amount of work to bring about the desired reality. The job can also take much much more work, unnecessarily, especially when those who would do the work fail to organize themselves, and ultimately the subsequent work, properly.