For a commentary on the Scot's occupation see www.manxnotebook.com//fulltext/hist1900/ch17.htm
There was a Statute of 1429 (now repealed) that All Scots to void the Island, with the next vessell that gooth to Scotland, upon paine of forfeiture of his goodes and his body to prison." (www.manxnotebook.com/manxsoc/msvol03/p2.htm )

The Redshanks were not exactly popular in the Island - added to which the effects of the Atholl Lord and his appointees in trying to extract as much as possible from the Island (provoking riots) may not have improved the view of Scots by the Manx