As per the text, why is the OTTFFSS series problem difficult?

Question

Quizplus · Accepted Answer

The OTTFFSS series problem is difficult because people do not use the correct strategy. This problem requires recognizing a pattern or sequence, and difficulty arises when individuals fail to apply or identify the appropriate strategy to discern the underlying pattern, which in this case is the initial letters of the first seven numbers in sequence (One, Two, Three, Four, Five, Six, Seven).

As Per the Text, Why Is the OTTFFSS Series Problem