"doors.aware.secure" gives you no indication of where it could be, especially when the neighbor is "hotel.leans.poetic"
If it's not meant for humans, then why not use GPS coordinates which are even more precise?
Not to mention, I'm sure there will be insensitive randomly generated strings like "muddy.ashes.pardon" https://map.what3words.com/muddy.ashes.pardon
It's a solution searching for a problem, and existing mail and building addressing schemes are far superior to it.
> Street addresses worldwide are inaccurate, unreliable and don’t exist at all in many places. Poor addressing is expensive and frustrating, hampers economic growth and development, restricts social mobility and affects lives.
> Street addresses can usually identify a building, but aren’t accurate enough to help a courier or taxi driver find the correct entrance. This results in delayed or failed deliveries, and numerous ‘where are you’ phone calls.