It seems like the standard method of conducting a study these days is to decide upon the result you want to get and then toss out any data which doesn’t agree with it. Draw the curve then plot the data points.
When you see how easily this so-called study gets taken apart with just a little critical analysis, it becomes clear that we can’t believe stuff just because the people who say it are supposed to be smart enough to know. Everyone has an agenda. Anything that claims to be an “objective” study needs to be scrutinized even harder. Objectivity is a lost virtue.
If one wants to truly be informed, relying on the news media alone will guarantee failure.