Two reasons: The results indicate that the algorithm was flawed: "Ofqual figures show 39.1% of 700,000 teacher assessments were lowered by at least one grade"
Secondly, many students and teachers complained. This second reason is the thing that "the world can learn" that the article focuses on.
Secondly, many students and teachers complained. This second reason is the thing that "the world can learn" that the article focuses on.