I think Airbnb is getting it wrong with the Wifi speed business, and pushing the responsibility towards the hosts to offer what they consider as a viable connection is insane.
1. Airbnb is not a telecom engineering company and should avoid telling what can be achieved with such and such "wifi speed". For example, Zoom claims you can make videoconference over a 1,8 Mbps connection. Airbnb says you can browse internet. Furthermore, the speed measured at test time does not mean anything as the connection quality, network load among other factors are key for experience.
2. Airbnb does not put any constraints on the traveler in terms of equipment for connecting to the wifi, which basically means, if the traveler equipment is out of date, the traveler expectations are not managed.
3. Airbnb focuses on putting wifi as a primary necessity in countries where majority of people live on a day-to-day income. This is quite bothersome to receive complaints about wifi not fast enough when in the neighbourhood people are literally starving. This is unacceptable to push to privilege the internet upgrade over social improvements.
Basically, I've not published my wifi speed, as it is something that is extremely subjective, temporal, and meaningless.