Before last week, the official U.S. map of broadband access had accumulated a fair amount of dust. On February 23, though, the Federal Communications Commission’s cartography of connectivity got a long-awaited upgrade. But while the new broadband map is easier to click around, it still isn’t a reliable tool to gauge what internet options are available to homes or communities around the country.

Just ask one of the FCC’s commissioners what’s wrong with it.

“I looked up my house and can tell you wit…