From the article:
Instead, Kozlowski said, public health experts need to continue stressing the well-documented dangers of cigarettes and what is likely to be true about differential risks.
"Those smokers who have tried only cig-alike products should know that they may be able to find a more satisfying substitute for smoking in other vaping products," he adds. "The focus should be giving up smoking completely first. After that, we would also encourage giving up vaping, provided it doesn't cause a return to smoking."
At least a step in the right direction!