I have neither rented or rented out an Airbnb. However, I see no problem with a homeowner renting out his home for short periods. Everything we do has negative

I have neither rented or rented out an Airbnb. However, I see no problem with a homeowner renting out his home for short periods. Everything we do has negative externalities, including driving a car. I don't see how Airbnb's are considered so bad. Moreover this is a correlation study in one city. The title implies a causal analysis which this is not. Pretty easy to phack your way to whatever conclusion you want using correlations. Moreover what is the magnitude of increase? From 0.0001% to 0.001% . The article should show some absolute counts.