It seems to me that doctors signed up for Practice Fusion because they wanted a free and easy easy to qualify for the MU incentives.
I know some docs who used it, and collected all of the MU monies without spending a dime. They never really trusted Practice Fusion though, they printed every completed note, and continued to keep paper records. So, using Practice Fusion was an income enhancer, but now that MU money is going, going, gone, so long Practice Fusion.
One of the stats we will NEVER hear from the Gov is how many folks have had to pay that money back after being audited. The Gov giveth, and the Gov taketh away.