And that’s exactly what it is. It’s the same as getting a gold star at school when you’re five
The only things that are going to help you in search engines are benefits to your property that makes a potential guest book with you easily, Instant Book being the best. Airbnb knows that guests don’t like all that waiting-to-be-approved malarkey. (In fact, many hosts think that Instant Book will be mandatory at some time in the future).
Airbnb wants good reliable hosts that don’t have lengthy approval periods, have very few cancellations and make it easy for the guest to book. If you’re a reliable host, then the SH badge is only really an advantage if a potential guest is searching specifically for superhosts in your area.