Yes, and I also feel that, even if there's no issue of abuse, a child deserves some level of privacy and respect. How much of this sort of dignity we give them may vary depending on the child's maturity and our relationship with them, but it's not zero.
If something happens to a child that may embarrass them were others to find out — they fight with their friend, they spill juice on themselves, they don't know the answer in class — an adult who knows about it doesn't necessarily have to report it to their parents. Not doing so allows the child to have different relationships with different adults.
Similarly, if the child expresses their identity creatively or raises a question about sexuality, it doesn't have to be immediately reported home. Even if their parents are likely supportive, it may be an unnecessary invasion of privacy. If the child wants to have that interaction with their parents, they will. Other adults don't need to have the interaction for them. Doing so likely achieves nothing worthwhile.
If people aren't entitled to any privacy until the day they turn 18, other adults who feel empowered to tattle on 17-year-olds' gender and sexuality realistically won't stop on the day the kid becomes an adult. Be that "child" in their 20s, other adults will still be informing on them for being queer/trans. Subjecting kids to authoritarian treatment negatively affects adults too because kids grow up into adults.