But massive business success is only one way for innovations to spread. Many innovations are small, and do spread, by having enough credible positive value, and

But massive business success is only one way for innovations to spread. Many innovations are small, and do spread, by having enough credible positive value, and small enough negative value, for the employer, combined with the right marketing. Why is this one different and requires that much higher standard of proof ? because i'm not sure that there's much value there, at least today.