Permit me to pass on some advice.
When someone you don’t know contacts you and asks you reasonable questions, treat them like a rock star. Treat them like they’re the most important person in the world while you’re writing your reply. Reply to them as though your happiness was dependent on their happines with your reply; perhaps not with the content of your message, but with the clarity and willingness to respond.
You never know - one of those people might actually be a rock star.
Have you ever written to someone and asked them something and then had them reply with a message that