This sounds like a lot of work. Which kinda confirms the OP's point - it's possible to switch, but most people don't want to die on this hill and choose an easier path (and I can't blame them).
People talk about downloading an app as if it's this great endeavor like lifting a huge boulder. The app will live on their phone and send them notifications. It's not that big of a deal. They'll forget to use it most of the time at first. It's not that big of a deal.