Well, if something was dangerously wrong with the easyJet policy, I'm sure CAA SRG would have stopped it by now!
http://www.lrd.org.uk/issue.php3?pagid=1&issueid=259
....explains why the CAA do nine-thenths of fanny adams about it!!!
http://www.ttd.org/Resolutions/Mar1998/no.9.htm
http://www.pbs.org/newshour/bb/trans...ryon_8-19.html
http://www.arawak.net/pages/carry-on-bags.html
......shows the very real dangers of heavy cabin baggage
However, the CAA and the FAA are happy to sit on the fence for the time being!!!