Togo, if I was meant to, I don't follow anything you say in your post. As other countries do, so Iceland as an EEA/Schengen member does its share of EU border patrols - it's called participation/cooperation, not a familiar concept among some. Iceland has less of a need for bribes than the UK, it is better off and better organised - it also gets on with other nations, except for occasionally having to show up an embarrassingly obnoxious UK in bullying mode.
Just to take one point where I am trying to comprehend and failing: Iceland processing fish for the EU ? I know the UK has recently suggested fish in Icelandic waters are really the UK's because years ago they used to be caught in UK waters, which is rather laughable (but very British). There have been talks on quota decisions regarding species overlap areas (migrating species caught by different nations). I am unsure at whose behest but Iceland has been excluded from talks about quotas covering these so they have, reluctantly, decided their own. Iceland has been conspicuously more successful than the UK in arriving at sustainable harvesting of marine life.