They have found another way to scam users.
They are paying less than required. And saying it to be a totaling mistake.

Reference: https://bitcointalk.org/index.php?topic=1792938.msg19464309#msg19464309

You can also see there are more such mistakes like that in case of 'ether19' . His total comes out to be 132.45+20.71+59+42.01+10 = 264.17
but he is getting only 224.73 Taas according to final sheet

There may be more victims that may not even have noticed how they got scammed.

Archived pages-
Final total- http://archive.is/sARoF