regarding passport and visa concerns: no schengen exit stamp for EU citizens, that particular airline/route doesn't check for destination visa I don't persona

regarding passport and visa concerns: no schengen exit stamp for EU citizens, that particular airline/route doesn't check for destination visa I don't personally think this is top-tier spy stuff like this article is making it out to be, its spelled out for any 2nd passport collector on all those golden visa or perpetual traveller websites and literature