This is a bit confusing to me: "apps that target API level 24 will—by design—not honor such CAs unless the app explicitly opts in." So the app opts in? Seems

This is a bit confusing to me: "apps that target API level 24 will—by design—not honor such CAs unless the app explicitly opts in." So the app opts in? Seems strange to me. What you're suggesting makes a lot more sense.