@Rachel132
I think it's all the newly registered guests who often hear it from somebody else. They usually have no clue what the original hospitality idea was about. If I get inquiries or requests from recently registeredd with no reviews or real verification that seem a bit short I use a boiler-plate message thanking them for their interest, answering their question, as well as remarking on their being new to Airbnb and tell them nicely that it's not like booking a hotel but is an accommodation in a private home, based on trust between both parties, and that I would like to know more about who I would be welcoming into my home. Also for them to make sure hey read my house rules and description in full to know what's offered (and what not).
If I don't hear back (inquiry), that's fine. If it's a request I also tell them they have 24h (or the time remaining of 24h) to get back to me or I'll have to decline due to Airbnb host penalties. If still interested - to answer my question(s) and re-submit.
Usually does the trick.