But the subsequent sale of that data is not—is the discussion here.
you cant sell what you dont have unless you lie lower than a rug.
fix the data collection problem and a second order effect of no data for sale emerges.
Because the overwhelming majority of people don't think twice about this tech.
I do, and that's why I use a lot of web tools or old-fashioned phone calls, but most people think metadata=unimportant and assume that the purpose of the app is what it does for them rather than to gather their personal information for sale.