It does not matter at all who the person asking the question is, how old they are, or whether they're asking in good faith or not. You answer the question for the sake of the audience who will read it. Answering the question is an opportunity to demonstrate understanding, inclusiveness, and compassion. Even if you suspect that the person asking is doing so in bad faith, there is no downside to responding as if they were doing so in good faith, whereas attacking them for asking the question is all downside.
If you're feeling frustrated and suspicious and you don't have the patience for it in the moment, then do not engage. You'll only do harm, to yourself, to them, and to anyone else who reads the discussion.
going postal