This screenshot was posted on reddit:
https://www.reddit.com/r/treeofsavior/comments/4q1qjw/hat_exploit_over_100_hats_accumulated_overall/
(deleted right now)
and this comment explains what happened:
https://www.reddit.com/r/treeofsavior/comments/4q1qjw/hat_exploit_over_100_hats_accumulated_overall/d4ptp1n
(I am going to post a print screen in the next post to save it case deleted, btw IMC, new accounts here can only have one image per post, seriously?)
It seems Scout Scan has a bug, considers objects/summons/skills/stuff as players and gives hats to anything.