My interpretation of the summary was that the researchers will follow the same kids later in life and see the impact. They are just reporting the current result

My interpretation of the summary was that the researchers will follow the same kids later in life and see the impact. They are just reporting the current results. Per the article "What we need to know next is whether this attention difference is advantageous or detrimental to their everyday life." A lot of the comments on HN imply that the researches found a negative effect, when they did not conclude that.