Yes, and the result was a billions of billions of combinations of those updates.
While the current system is far from being ideal, it's way easier to test with a reduced set of permutations.
And before you object, think of it this way - if the current shitshow is with a reduced set, imagine what it would be with a non reduced one. It wouldn't be a shitshow x 2 or shitshow^2, it would be around shitshow^99999.