The problem is the questionable quality of the data. The information can be fake, not official, distorted or not relevant because of the minimal details the second source offer, making a hard time for the researcher to make an evaluation. The consequence is the loss of credibility if the news had mistakes.
Because they are at such a young age that they are still able to identify letters and know sounds of some. But they still deal with many everyday difficulties such as not being able to decode words with many syllables.