Unfortunately that is an alternative history site that mixes fact and fiction.Aid from France to Finland in the Russo-Finnish Winter War
Aid from France to Finland made a large and significant contribution to Finland's defence in the Russo-Finnish Winter Warwww.alternativefinland.com
According to other sources the M.S.406 was one of the most agile monoplane fighters Finland had, but it was not a stabile shooting platform, had poor climbing performance and the armament was unreliable.