I agree 100 percent. The acting was all relevant to the characters. Sure, they could have cut out John's over-use of expletives, but it wouldn't seem real at all. The guy was in the pits and he knew it. And, it would have seemed really corny, or not as purposeful, if he were just sitting there whispering shoot, crap, d***, or even s***. It wouldn't fit his character at all.
If you don't want your kid hearing such violent expletives, then don't let them watch unrated movies before you watch them in full on your own. Another character to consider might be Weave. Because of all her interactions are with children, Emma, and Ink (who, in someways, is like a lost child), she has to be a character within a character. We all know that while dealing with children, we take on slightly different selves, so that the child can feel safe or comfortable with us. I think that's what Weave had to do. And, that would make the acting seem like she was acting for or towards children. Which makes it all the more real. She isn't acting for the movie viewers. She's acting for the children around her (Emma, and Ink mainly), to keep them in a state of trust. Speaking of Emma - I thought her performance was brilliant. I've never seen a movie where a child acts so perfectly for the role she's given. I was really surprised. Really good.   See 3 other replies