Their job is fraught with danger, both from hostile humans armed with automatic weapons, and from the unappreciative and potentially aggressive wildlife armed with tusks, teeth, and claws which they are helping to preserve.
You said in your column that you used to believe there were two kinds of people, people who were using subtitles when necessary, and then unappreciative philistines who use them for no good reason.
Does it make sense to you, again, as somebody who said that these people are either, you know, rational people or they're unappreciative of the art of what they're watching?