Sure they scare me off.

One minute they are chasing people off for 'gossiping', next thing they are getting arrested for trying to blow up transatlantic flights with liquid explosives.

Fanatics are a scary bunch, regardless of the religion.

And yes I have met people in Qatar who have given me the shivers and reminded me of these three:

http://www.cnn.com/2009/WORLD/europe/09/07/uk.airline.bomb.trial/

Thanks to each of them for making air travel that much more annoying. We all appreciate the resrictions on carry on liquids and gels.