Doing the laundry transforms the used and smelly into the useful and fresh. Laundry is like gardening that takes less than an hour.
This somewhat traditional ad shows viewers how to feel like they would like to feel, as if they are bringing about a marvelous transformation, an almost religious transformation.
In reality, a Gain wash may not be dramatically different from a wash done in another detergent. But expectation influences experience. Gain actually makes the experience of a Gain wash better by raising the expectation. This is not illusory. This is reality in the only way that matters, in the experience of the user.
Nice understanding of the nature of laundry and the promise of detergent.