I would not call myself a veteran conspiracy theorist. Or an obsessed one. I pretty much peaked on the whole conspiracy theory thing in the '60s, with the grassy knoll, who really killed JFK, and who ordered the hit on Lee Harvey Oswald.
Disaffection, alienation and conspiracy theories are commonplace among European Muslims, but dangerous Islamist radicalism and the Islamic State's 'foreign fighter' recruitment successes tend to be specific to certain European towns, districts and ghettos.
Conspiracy is a small but durable seller, retooled every year or so.
Politics is the conspiracy of the unproductive but organized against the productive but unorganized.