On those ocassions where your guests are off-site and need immediate access to doctors, dentist, optometrist, pharmacy details etc., Hinfo dramatically speeds up that process.
This is also important for guests who are less familiar with the local area.
If your local area is subject to natural disasters including Bushfires/Wildfires, Cyclones, Tsunamis, Volcano Eruptions etc., you can inform guests on how to respond, wherever they are.
For international visitors, they will have access to phone numbers for the local ambulance and police (emergency and non-emergency), without needing them to memorize your country's primary number.
For guests that need to visit a hospital, doctor, dentist, optometrist etc. as quickly as possible, they can easily get driving and walking directions to each of these.