Agree or not -- AP Statistics easy or difficult?

If you look the grade distribution of all courses, AP Statistics is not that easy as what many expect or guess.

For AP Statistics grade distriubtion, https://apstudents.collegeboard.org/about-ap-scores/score-distributions/ap-statistics

For All AP course grade distribution https://apstudents.collegeboard.org/about-ap-scores/score-distributions,

What do you think? Please click upvote for me if you like this post. Thanks in advance. Best wishes to all taking AP Statistics.