If the test data does not have a 50/50 split (or something around that ratio), the headline is straight up lies.
Skewed test data is the most common problem with research, reminds me of this great video by Veritasium (Is most published research wrong?): https://www.youtube.com/watch?v=42QuXLucH3Q
Skewed test data is the most common problem with research, reminds me of this great video by Veritasium (Is most published research wrong?): https://www.youtube.com/watch?v=42QuXLucH3Q