On my Adroid phone WiFi's disabled too.
Oh, but that's that's just a start. Don't forget about Bluetooth, to defend against beacons. And of course, airplane mode so they can't track you by cell tower triangulation.
Downside is, that effectively turns a smartphone into a ca. 2000 Palm Pilot. But that's the price of privacy in the Age of Relevant Ads.
Upside is that you can save a lot of money on the data and calling plan...