Roundabouts aren't rocket science. A little driving re-education might be required, but the pay-off in terms of reduced driver frustration in the long run would be well worth it. Traffic in the UK would grind to a halt without roundabouts. The only one I ever came across that confused anyone was the so-called Magic Roundabout at Hemel Hempstead where there is a large central roundabout surrounded by six mini-roundabouts. That wasn't a nice feature to find on one's driving test.