So you'd rather push out an update every time for your app to rewrite the times it has stored to match the timezone change, instead of "just" updating the timez

So you'd rather push out an update every time for your app to rewrite the times it has stored to match the timezone change, instead of "just" updating the timezone database and the app automatically doing the right thing? And we've had examples in the past years of this happening with only weeks of notice, so no, it's not something that never happens.