Simplify the following text for a Grade 5 native English-speaking person.
Original: In part due to the poem , there is a widespread myth that ( all ) sailors believe it disastrous to shoot or harm an albatross ; in truth , sailors regularly killed and ate them , e.g. , as reported by James Cook in 1772 .
Simplified: But in truth , this is just a myth , because sailors regularly killed and ate them .