For
It teaches viewers how nature truly works.
Against
It can be disturbing and discourage interest in wildlife.
Anonymous excerpts, translated where noted.
“After that documentary I had no choice but to change.”
“If you really want to know how animals are treated, watch the documentary Dominion (NSFW/NSFL).”
“There were quite a few gruesome images that may not be suitable for all children.”
“I definitely wouldn't turn it down, but just see how long you can keep it up.”