Soft dollars are mostly time and capacity savings. The quality analysts are, of course, available at any time in the cycle between idea generation and idea implementation, but their involvement is assured once an idea is implemented. To certify the idea. To ensure that no good-faith errors were made. Very few are expected.
People know their jobs, know who they affect and are very protective of their empowerment.
They aren't going to jeopardize it by carelessly overlooking the ripple effects of any idea. To determine if the idea is such that it should be broadcast to all or specific parts of the company and if it should be copied in part or in whole. To double-check all calculations of financial impact. It is imperative that the numbers have unquestionable integrity. To identify when it's time for the company president or chief operating officer to personally thank the team.