Multiple characters praise members of the police force, however the narrative generally paints these characters as misinformed and/or victims of manipulation. There are many more characters that work against the system that are painted in a heroic light.
A character who is heavily implied to have mental health issues is emotionally abusive towards their child, though there is no explicit physical violence depicted between them
No; a nonbinary character is called by the wrong pronouns once or twice, but it's always immediately corrected without incident. The same character is called by a name they no longer use, but it's clear that it's not their deadname.
(SPOILERS) A previous comment states that there are no depictions of physical abuse, however there has since been an update depicting a father hitting his 18 year old son
(SPOILERS) Following an update in chapter 9, implications have been made that a character was kidnapped as a child. Whether that's true or if they left of their own volition is unclear