Lets remember his answer on stackexchange regarding how many Greeks pay high taxes vs Greek owners of Porshe Cayennes, when he not recognized and was asked for references for his figures:
"Hi, can you provider references for your figures? - Skiiv
The figures come directly from SQL queries I executed on the General Secreteriat for Information Systems database.... – Diomidis Spinellis"
https://skeptics.stackexchange.com/a/6883
Lets remember his answer on stackexchange regarding how many Greeks pay high taxes vs Greek owners of Porshe Cayennes, when he not recognized and was asked for references for his figures: "Hi, can you provider references for your figures? - Skiiv The figures come directly from SQL queries I executed on the General Secreteriat for Information Systems database.... – Diomidis Spinellis" https://skeptics.stackexchange.com/a/6883
https://news.ycombinator.com/item?id=29550277