If you could get a protection policy it would probably be so expensive that it wouldn't really be worth it. They might look like small, plasticy cameras but they are tough as old nails in the soles of tough old boots.
Mine has been doing all the jobs that 1 series eos should be doing for 3 years now and it's not missed a beat. Poor old 1D II goes to every shoot as a backup and it never gets taken out of the bag.