I also commented as 3's overzealous filters made me laugh.
Ikr I figured but I commented, because someone else commented that the link wasn't working for them. For the record, I was away from anywhere with WiFi secure enough for my liking, so I couldn't confirm whether the download was working.
Because there is no legal reason for it being Public Domain unless the publisher has made it so, which is unlikely. Just because someone has uploaded it there and marked it as Public Domain doesn't mean it is, in the same way it isn't Arabic despite being listed as such.
It doesn't actually IMO. Their rules are here: https://www.hotukdeals.com/code-of-conduct And their definition of por*****ic is much broader than mine (from personal experience) but maybe I'm a bit of a prude :)
Try using WIFI instead ? (embarrassed)