Of course, now that we're in on the joke, we're supposed to realize that coming back online to discover one of our otherselves has been hawking a coffee bar we've never even visited isn't a violation: It's sort of funny.
Whether the participants underwent a flood of weight changes and were then compared back to their former selves in different states, the participants are cross-examined among other employees in the same company, the participants are cross-examined among employees in neighboring states, etc.
Instead of paying half its workers with the new method and comparing them with the other half, a company could pick five or 10 workers and compare them with their synthetic selves.